Statistics

Problem Statement for "bloggoDocStructure"

Problem Statement

Note: This problem statement includes images that may not appear if you are using a plugin. For best results, use the Arena editor.

In order to attract users of other weblog management systems, bloggo offers tools for content migration. Not only is bloggo capable of reading some of its chief competitors' back-end formats, but it can analyze the HTML that must by definition emerge at the front end of any weblog.

An HTML document consists of tags, which are angle-bracketed strings that look like "<b>" or "</li>", as well as plaintext, which is everything else. Each opening tag, such as "<h1>", has a similar closing tag, in this case "</h1>". A substring that begins with an opening tag and ends with a similar closing tag is called a span. The type of a span is decided by its first and last tags, so a span that begins with "<h1>" and ends with "</h1>" is called an "h1" span. We say that the substring found between the first and last tags of a span is enclosed by the span. Each span of an HTML document encloses zero or more plaintext characters interspersed with zero or more further spans.

Thus, the spans of an HTML document form a nested structure that is described by a unique tag tree, each node of which is labeled with the type of its corresponding span. The outermost span of an HTML document is required to be of the "html" type, so the root of a tag tree is always labeled "html". If a span encloses further spans, then its corresponding node in the tag tree has children that describe, in order, each of the immediately enclosed spans. A span that encloses no further spans corresponds to a leaf of the tag tree. For example, consider the following document. 

  <html>
    <h1> Snapping Turtles </h1>
    <ul>
      <li>
        <h2> Common Snapping Turtle (<i>Chelydra serpentina</i>) </h2>
        <p> With its dark coloring, sinuous neck, and swift lunging
        motion, Chelydra serpentina is an adept hunter of nearly all
        creatures that live in or near water. A fully grown specimen,
        weighing on average 20 pounds with a 12-inch-long carapace,
        has no enemy but man. The long lifespan of the adult, reaching
        30 years or more, compensates for the low hatchling survival
        rate. </p>
        <p> The snapping turtle rarely basks, preferring
        to lurk at the silty bottom or among underwater
        vegetation. Although reclusive in its element, when on
        land it ferociously confronts larger beasts that approach
        it, for it cannot withdraw into its undersized shell. It
        is a solitary creature, declining to fraternize within
        its species. </p>
        <p> Snapping turtle populations are jeopardized by
        trapping, habitat loss, and by automobile traffic crossing
        the overland routes of nesting females. </p>
      </li>
      <li>
        <h2> Alligator Snapping Turtle (<i>Macroclemys temminckii</i>) </h2>
        <p> Like the common snapping turtle, the alligator snapping
        turtle has a massive head and a generally saurian aspect.
        Whereas the common snapping turtle's talent for hibernation
        lets it range as far north as Canada, the alligator snapping
        turtle is restricted to the warm waters flowing into the Gulf
        of Mexico. </p>
        <p> With an average shell diameter of two feet and
        a weight of 150 pounds, this is the largest freshwater
        turtle in the world. Macroclemys temminckii's short
        neck requires that it lie in wait for prey, which it
        dispatches with a sudden blow of its powerful jaws.
        A unique feature of the alligator snapping turtle is a
        tubular pink appendage, growing from the dark interior
        of its mouth, which it wriggles in wormlike fashion to
        lure fish to their doom. </p>
      </li>
    </ul>
  </html>

This document has the following tag tree.

For the purpose of content migration, it is useful to know how the tag trees of a pair of HTML documents relate to each other. One interesting relationship is that of the intree, which is defined recursively. First of all, every tree is an intree of itself. In addition, if A is an intree of B and we remove any leaf from A to obtain a smaller tree A', then A' is also an intree of B. If A is an intree of B, then B is called an outtree of A. If A is both an intree and an outtree of B, then A and B are equivalent. If A is neither an intree nor an outtree of B, then A and B are incompatible.

Given a pair of String[]s, docA and docB, each containing an HTML document, you are to determine how the tag tree of docA relates to the tag tree of docB. The elements of each String[] are concatenated to make up the respective document. The only tags permitted in these documents are the opening tags "<html>", "<h1>", "<h2>", "<h3>", "<ul>", "<ol>", "<li>", "<p>", "<b>", "<i>", "<u>", and the similar closing tags. Tag names are case-sensitive and may be broken over several lines, but must not otherwise be altered. The outermost tags of a document are of "html" type and may be padded with spaces on either side. Plaintext may only contain alphanumeric characters, space characters, and the punctuation symbols ',', ';', '.', '!', '?', '-', '(', and ')'.

If the two documents are equivalent or incompatible, return the String "equivalent" or "incompatible", respectively. If docA is an intree of docB, return "intree X", where X is the number of nodes in docB that are not present in docA . If docA is an outtree of docB, return "outtree X", where X is the number of nodes in docA that are not present in docB.

Definition

Class:
bloggoDocStructure
Method:
compare
Parameters:
String[], String[]
Returns:
String
Method signature:
String compare(String[] docA, String[] docB)
(be sure your method is public)

Constraints

  • docA and docB each contain between 1 and 50 elements, inclusive
  • each element of docA and docB is between 1 and 50 characters long, inclusive
  • the only characters allowed in docA and docB are '<', '>', '/', 'a' to 'z', 'A' to 'Z', '0' to '9', the space character, ',', ';', '.', '!', '?', '-', '(', and ')'
  • if the elements of docA or of docB are concatenated into a single string, the result is an HTML document as defined above

Examples

  1. {"

    Snapping Turtles

    • ", "Common Snapping Turtle (Chelydra serpentina", ")

      With its dark coloring, sinuous neck,", "and swift lunging motion, Chelydra serpentina is a", "n adept hunter.

      The snapping turtle rarely", "basks.

      Snapping turtle populations are jeo", "pardized by automobile traffic.

    • Alligator Snapping Turtle (", "Macroclemys temminckii)

      Like the", " common snapping turtle, the alligator snapping ", "turtle has a massive head.

      This is the lar", "gest freshwater turtle. A tubular pink append", "age grows from its mouth.

      <", "/li>
    "}

    {" turtles

    snapping

    • common chelydra serpentina

      ", "hunter

      (adept?)

      rarely basks

      (hmm)", "

      jeopardized by traffic

      • ", "
    • often confused with...

      alligator snapp", "ing turtle macroclemys temminckii

      ", "

      massive head

      big!

      ", "largest freshwater turtle. pink wormlike thing <", "/p>

    "}

    Returns: "equivalent"

    These two documents have the same structure as the example shown above.

  2. {" turtles

    snapping

    • common chelydra serpentina

      ", "hunter

      (adept?)

      rarely basks

      (hmm)", "

      jeopardized by traffic

      • ", "
    • often confused with...

      alligator snapp", "ing turtle macroclemys temminckii

      ", "

      massive head

      big!

      ", "largest freshwater turtle. pink wormlike thing <", "/p>

    "}

    {"

    • ", "

    "}

    Returns: "equivalent"

    The docB here is a minimal document with the same structure.

  3. {"

    • ", "

    "}

    {" snapping turtles

    • common ", "snapping turtle, chelydra serpentina

      ", "hunter

      rarely basks

      ", "

      jeopardized by traffic

      • ", "
    • often confused with...

      alligator snapp", "ing turtle macroclemys temminckii

      ", "

      massive head; largest freshwater turtle;", "pink wormlike appendage lures fish

      ", "
    "}

    Returns: "outtree 4"

    The tag tree for docB is the following. It is evident from comparison with the earlier illustration that docA has four nodes not present in docB.

  4. {"

    • ", "

    "}

    {" turtles

    snapping

    • common chelydra serpentina

      ", "hunter

      rarely basks

      ", "almost never

      ", "

      jeopardized by traffic

      • ", "
    • often confused with...

      alligator snapp", "ing turtle macroclemys temminckii

      ", "

      massive head

      big!

      ", "largest freshwater turtle.

      pink", " wormlike lure in mouth

      imposing", "sight on land or water

    "}

    Returns: "intree 7"

    We now have the following tag tree for docB. Here, docB has seven nodes not found in docA.

  5. {"

    • ", "

    "}

    {"

    • ", "

    "}

    Returns: "incompatible"

  6. {""}

    {"

      ", "
      "}

      Returns: "intree 5"

    1. {"

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      "}

      {"

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      ", "

      "}

      Returns: "incompatible"

    2. {"

          ", "

      ", "

        1. ", "

            ", ""}

            {"

          2. ", "

                "}

                Returns: "outtree 14"

          3. {"

              7. ", "

              • <", "h2>

              ", "

                ", "

                  ", "

                  <", "h1>

                      <", "ul>

                      • <", "/u>

                      ", "

                          4. ", "
                          5. <", "/i>

                              ", "

                          ", "

                        • <", "html>

                          • ", "

                                ", "

                                  ", "
                              <", "b>

                                <", "/html>

                                        ", "

                                          <", "/h2>
                                            <", "html>                                            "}

                                            {"

                                              3. <", "/ol>

                                              4. <", "ul>

                                                      1. <", "/p>

                                                    1. ", "

                                                      <", "h1>

                                                                ", "

                                                              ", "

                                                                    ", "

                                                                  • <", "/h1>

                                                                  ", "
                                                                    <", "/u>

                                                                  1. <", "li>

                                                                  4. ", "

                                                                      ", "

                                                                      <", "html>

                                                                    • ", "

                                                                        ", "

                                                                        ", "

                                                                        • ", "

                                                                            • ", "

                                                                            <", "/p>

                                                                            1. ", "

                                                                            <", "ol>

                                                                            ", "

                                                                                ", "

                                                                                  <", "/ol>
                                                                                      <", "/html>                                                                                      "}

                                                                                      Returns: "intree 36"

                                                                                    • {"

                                                                                          <", "h1>

                                                                                      • "}

                                                                                        {"

                                                                                        ", "

                                                                                        <", "i>                                                                                        "}

                                                                                        Returns: "incompatible"

                                                                                      • {"

                                                                                          <", "html>"}

                                                                                          {"

                                                                                            2. ", "

                                                                                              • <", "u>

                                                                                              • <", "html>

                                                                                                • <", "/ul>

                                                                                                  • <", "h3>

                                                                                                    ", "

                                                                                                      1. ", "

                                                                                                            ", "

                                                                                                                <", "/h1>

                                                                                                                ", "

                                                                                                                ", "

                                                                                                                  "}

                                                                                                                  Returns: "intree 109"

                                                                                                                • {"

                                                                                                                        <", "h2>

                                                                                                                      ", "

                                                                                                                      ", "

                                                                                                                            <", "/b>

                                                                                                                      ", "

                                                                                                                                • ", "

                                                                                                                              ", "

                                                                                                                                1. <", "/i>

                                                                                                                                  <", "ul>

                                                                                                                                3. <", "b>

                                                                                                                                            <", "/ol>

                                                                                                                                            <", "/p>

                                                                                                                                              • <", "i>

                                                                                                                                            • ", "

                                                                                                                                                  • ", "

                                                                                                                                                  • <", "ol>

                                                                                                                                                          ", "

                                                                                                                                                          1. <", "/html>

                                                                                                                                                              ", "

                                                                                                                                                              • ", "

                                                                                                                                                                  <", "/ul>

                                                                                                                                                                      ", "

                                                                                                                                                                        <", "/ul>

                                                                                                                                                                      <", "p>

                                                                                                                                                                        1. ", "

                                                                                                                                                                        • <", "/html>

                                                                                                                                                                            ", "
                                                                                                                                                                          • "}

                                                                                                                                                                          {"

                                                                                                                                                                        • ", "

                                                                                                                                                                          <", "h2>

                                                                                                                                                                            ", "

                                                                                                                                                                              <", "/b>

                                                                                                                                                                                "}

                                                                                                                                                                                Returns: "outtree 214"

                                                                                                                                                                              1. {"

                                                                                                                                                                                3. <", "ul>

                                                                                                                                                                                "}

                                                                                                                                                                                {"

                                                                                                                                                                                    "}

                                                                                                                                                                                    Returns: "incompatible"

                                                                                                                                                                                  1. {"

                                                                                                                                                                                  2. <", "i>

                                                                                                                                                                                      • <", "h1>"}

                                                                                                                                                                                      {"

                                                                                                                                                                                      "}

                                                                                                                                                                                      Returns: "outtree 36"

                                                                                                                                                                                  4. {"

                                                                                                                                                                                  6. <", "/li>

                                                                                                                                                                                  8. <", "b>

                                                                                                                                                                                    2. <", "h2>

                                                                                                                                                                                      1. ", "

                                                                                                                                                                                          "}

                                                                                                                                                                                          {"

                                                                                                                                                                                        3. <", "/li>

                                                                                                                                                                                              1. ", "

                                                                                                                                                                                                ", "

                                                                                                                                                                                                <", "h3>

                                                                                                                                                                                                ", "

                                                                                                                                                                                                      • <", "/h2>

                                                                                                                                                                                                      <", "/li>

                                                                                                                                                                                                        2. ", "

                                                                                                                                                                                                            ", "

                                                                                                                                                                                                            <", "/ol>

                                                                                                                                                                                                              "}

                                                                                                                                                                                                              Returns: "intree 92"

                                                                                                                                                                                                            1. {"

                                                                                                                                                                                                              ", ""}

                                                                                                                                                                                                              {"

                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                    • <", "h1>

                                                                                                                                                                                                                  • "}

                                                                                                                                                                                                                    Returns: "incompatible"

                                                                                                                                                                                                                  • {"

                                                                                                                                                                                                                      • <", "/p>

                                                                                                                                                                                                                      <", "h1>

                                                                                                                                                                                                                    3. ", "

                                                                                                                                                                                                                          3. <", "h1>

                                                                                                                                                                                                                                  <", "/ol>

                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                      1. <", "ul>

                                                                                                                                                                                                                                  <", "/h2>

                                                                                                                                                                                                                                    "}

                                                                                                                                                                                                                                    {"

                                                                                                                                                                                                                                          • ", "

                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                          1. <", "ul>

                                                                                                                                                                                                                                          3. ", "

                                                                                                                                                                                                                                          5. ", "

                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                      <", "i>

                                                                                                                                                                                                                                                    <", "/h1>

                                                                                                                                                                                                                                                        <", "/u>

                                                                                                                                                                                                                                                              • ", "

                                                                                                                                                                                                                                                              "}

                                                                                                                                                                                                                                                              Returns: "intree 55"

                                                                                                                                                                                                                                                            • {"

                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                  • ", "

                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                    • <", "h3>"}

                                                                                                                                                                                                                                                                      {"

                                                                                                                                                                                                                                                                      "}

                                                                                                                                                                                                                                                                      Returns: "outtree 45"

                                                                                                                                                                                                                                                                    • {"

                                                                                                                                                                                                                                                                      • ", "

                                                                                                                                                                                                                                                                          2. ", "
                                                                                                                                                                                                                                                                              "}

                                                                                                                                                                                                                                                                              {"

                                                                                                                                                                                                                                                                                  2. "}

                                                                                                                                                                                                                                                                                    Returns: "incompatible"

                                                                                                                                                                                                                                                                                  • {"

                                                                                                                                                                                                                                                                                        ", "
                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                      2. ", "

                                                                                                                                                                                                                                                                                        1. ", "

                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                              • ", "

                                                                                                                                                                                                                                                                                              • <", "ol>

                                                                                                                                                                                                                                                                                                      <", "ul>

                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                        1. <", "u>

                                                                                                                                                                                                                                                                                                                  • ", "

                                                                                                                                                                                                                                                                                                                <", "/i>

                                                                                                                                                                                                                                                                                                                  • <", "ul>

                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                <", "/b>"}

                                                                                                                                                                                                                                                                                                                {"

                                                                                                                                                                                                                                                                                                                1. ", "

                                                                                                                                                                                                                                                                                                                      1. <", "ul>

                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                    1. <", "/li>

                                                                                                                                                                                                                                                                                                                          <", "h3>

                                                                                                                                                                                                                                                                                                                            1. <", "u>

                                                                                                                                                                                                                                                                                                                            "}

                                                                                                                                                                                                                                                                                                                            Returns: "outtree 168"

                                                                                                                                                                                                                                                                                                                          • {"

                                                                                                                                                                                                                                                                                                                            "}

                                                                                                                                                                                                                                                                                                                            {"

                                                                                                                                                                                                                                                                                                                              • <", "/h2>

                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                <", "/h2>

                                                                                                                                                                                                                                                                                                                                  <", "/ul>

                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                  • <", "/p>

                                                                                                                                                                                                                                                                                                                                  "}

                                                                                                                                                                                                                                                                                                                                  Returns: "intree 37"

                                                                                                                                                                                                                                                                                                                                1. {"

                                                                                                                                                                                                                                                                                                                                    "}

                                                                                                                                                                                                                                                                                                                                    {"

                                                                                                                                                                                                                                                                                                                                    "}

                                                                                                                                                                                                                                                                                                                                    Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                  • {"

                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                                                                                                                          • ", "                                                                                                                                                                                                                                                                                                                                          "}

                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                  • <", "ol>

                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                  <", "h2>

                                                                                                                                                                                                                                                                                                                                                  • <", "/h2>

                                                                                                                                                                                                                                                                                                                                                  • <", "/ol>

                                                                                                                                                                                                                                                                                                                                                      • ", "

                                                                                                                                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                    1. <", "/li>

                                                                                                                                                                                                                                                                                                                                                                      • <", "/ul>

                                                                                                                                                                                                                                                                                                                                                                    • ", "

                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                      <", "h3>

                                                                                                                                                                                                                                                                                                                                                                        1. ", "

                                                                                                                                                                                                                                                                                                                                                                            1. ", "

                                                                                                                                                                                                                                                                                                                                                                          "}

                                                                                                                                                                                                                                                                                                                                                                          Returns: "intree 187"

                                                                                                                                                                                                                                                                                                                                                                        1. {"

                                                                                                                                                                                                                                                                                                                                                                              • <", "/u>

                                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                          2. <", "h3>

                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                          • ", "

                                                                                                                                                                                                                                                                                                                                                                                          <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                        1. ", "

                                                                                                                                                                                                                                                                                                                                                                                            • <", "p>

                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                3. <", "p>

                                                                                                                                                                                                                                                                                                                                                                                                  <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                  • <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                  <", "ul>

                                                                                                                                                                                                                                                                                                                                                                                                • <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                  • <", "/h1>

                                                                                                                                                                                                                                                                                                                                                                                                      • <", "/li>

                                                                                                                                                                                                                                                                                                                                                                                                        1. <", "b>
                                                                                                                                                                                                                                                                                                                                                                                                          • "}

                                                                                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                                                                          • <", "ol>"}

                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "outtree 217"

                                                                                                                                                                                                                                                                                                                                                                                                        • {"

                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                          "}

                                                                                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                            ", "
                                                                                                                                                                                                                                                                                                                                                                                                        • "}

                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                        • {"

                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                                  <", "ul>

                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                        "}

                                                                                                                                                                                                                                                                                                                                                                                                                        {"

                                                                                                                                                                                                                                                                                                                                                                                                                          "}

                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "outtree 69"

                                                                                                                                                                                                                                                                                                                                                                                                                      • {"

                                                                                                                                                                                                                                                                                                                                                                                                                          • <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                            • ", ""}

                                                                                                                                                                                                                                                                                                                                                                                                                            {"

                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                      1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "/h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                      <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "/h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                      • <", "/html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                              • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                              • <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                  • <", "/li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                  • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                      "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Returns: "intree 200"

                                                                                                                                                                                                                                                                                                                                                                                                                                                    • {""}

                                                                                                                                                                                                                                                                                                                                                                                                                                                      {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                            • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Returns: "intree 20"

                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                              <", "/html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • <", "ul>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • <", "/li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              3. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. <", "ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "i>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • <", "h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • <", "h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "/ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. <", "ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • <", "/b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. <", "/h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "ul>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Returns: "intree 87"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • <", "/p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. <", "h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    3. <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. <", "li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      <", "i>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "/html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • <", "/h2>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Returns: "outtree 226"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          3. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            4. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    6. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "/li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Returns: "outtree 56"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      <", "/u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              3. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Returns: "intree 190"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "/ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • <", "li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • <", "/h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  4. <", "/h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • <", "/li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "intree 239"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ", ""}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Returns: "outtree 11"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "ul>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  3. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "/i>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. <", "h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      <", "li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. <", "/b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              <", "/ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "/b>"}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "/html>"}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Returns: "outtree 110"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", ""}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "i>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "/html>"}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Returns: "intree 30"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <", "h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            3. <", "/html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • <", "p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "/b>"}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Returns: "intree 183"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <", "/html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              3. <", "/h3>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              <", "/b>"}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Returns: "outtree 118"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2. "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                3. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. <", "h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "/p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      <", "i>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      4. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. <", "/i>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "/ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • <", "i>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              <", "/p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. <", "h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "/p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <", "h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Returns: "outtree 32"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. <", "h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            3. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "/h1>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Returns: "intree 130"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "u>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "/h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <", "/ul>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ", "
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • <", "/b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              3. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      3. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      • <", "ol>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • <", "li>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Returns: "intree 107"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  <", "p>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Returns: "outtree 2"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      <", "html>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    • <", "/h2>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • <", "/li>"}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  • {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <", "b>

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        {"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • "}

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "outtree 77"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          { " turtles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          snapping

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • common chelydra serpentina

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "hunter

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            rarely basks

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "almost never

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            jeopardized by traffic

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • often confused with...

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            alligator snapp", "ing turtle macroclemys temminckii

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            massive head

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            big!

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "largest freshwater turtle.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            pink", " wormlike lure in mouth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            imposing", "sight on land or water

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "intree 7"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          { " snapping turtles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • common ", "snapping turtle, chelydra serpentina

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "hunter

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            rarely basks

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            jeopardized by traffic

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            • ", "
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • often confused with...

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            alligator snapp", "ing turtle macroclemys temminckii

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            massive head; largest freshwater turtle;", "pink wormlike appendage lures fish

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ", "
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "outtree 4"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "incompatible"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "outtree 1"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        • { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          { "

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          " }

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Returns: "outtree 2"

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          • This problem statement is the exclusive and proprietary property of TopCoder, Inc. Any unauthorized use or reproduction of this information without the prior written consent of TopCoder, Inc. is strictly prohibited. (c)2024, TopCoder, Inc. All rights reserved.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          This problem was used for: