Statistics

Problem Statement for "LuckyGrid"

Problem Statement

Cat has decided to play a new pen-and-paper game on a grid. For the purpose of this game, a lucky number is any number in which each digit is either a 4 or a 7.


The game is played on a square grid. At the beginning of the game the player is presented with a partially filled grid: some of the cells contain the number 4, some contain the number 7, and all other cells are empty. The player must put either a 4 or a 7 into each of the empty cells. The player wins the game if she is able to fill in the empty cells in such a way that the sum of each row and also the sum of each column is a lucky number.


You are given a String[] grid representing the grid at the beginning of the game. Characters '4' and '7' represent filled cells, character '.' (period) represents an empty cell.


If the player cannot win the game, return -1. If she can win the game, find and return the smallest possible sum of the grid at the end of a won game.

Definition

Class:
LuckyGrid
Method:
findMinimumSum
Parameters:
String[]
Returns:
int
Method signature:
int findMinimumSum(String[] grid)
(be sure your method is public)

Constraints

  • Let n be a number between 1 and 68, inclusive.
  • grid will contain exactly n elements.
  • Each element of grid will contain exactly n characters.
  • Each character of each element of grid will be '4', '7', or '.'.

Examples

  1. {"."}

    Returns: 4

    There are two ways to play this game: Either we put a 4 into the empty cell, or we put a 7 into the empty cell. In both cases we win the game. The answer is 4, because 4 is less than 7.

  2. {"7"}

    Returns: 7

  3. {"........", "........", "........", "........", "........", "........", "........", "........"}

    Returns: 352

  4. {".4.", "7.7", "4.."}

    Returns: -1

    The sum of the leftmost column will be either 4+7+4 = 15 or 7+7+4 = 18. Neither of these numbers is lucky.

  5. {"774777..", "..4.....", "..7774..", "..7..7..", "..7..7..", "..7..74.", "..4..4..", "........"}

    Returns: 355

  6. {".44.....7..", ".44........", "...........", "...........", ".7.........", "...........", "...........", "...........", "...........", "...........", "..........."}

    Returns: 490

  7. {".4......7..", "...........", ".....7.....", "...........", ".7......7..", "...........", ".....4.....", "...........", "........4..", "...........", "..........."}

    Returns: 814

  8. {"...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "..........."}

    Returns: 484

  9. {"..", ".."}

    Returns: -1

  10. {"...", "...", "..."}

    Returns: -1

  11. {"....", "....", "....", "...."}

    Returns: -1

  12. {".....", ".....", ".....", ".....", "....."}

    Returns: -1

  13. {"......", "......", "......", "......", "......", "......"}

    Returns: -1

  14. {".......", ".......", ".......", ".......", ".......", ".......", "......."}

    Returns: -1

  15. {"........", "........", "........", "........", "........", "........", "........", "........"}

    Returns: 352

  16. {".........", ".........", ".........", ".........", ".........", ".........", ".........", ".........", "........."}

    Returns: -1

  17. {"..........", "..........", "..........", "..........", "..........", "..........", "..........", "..........", "..........", ".........."}

    Returns: -1

  18. {"...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "..........."}

    Returns: 484

  19. {"............", "............", "............", "............", "............", "............", "............", "............", "............", "............", "............", "............"}

    Returns: -1

  20. {".............", ".............", ".............", ".............", ".............", ".............", ".............", ".............", ".............", ".............", ".............", ".............", "............."}

    Returns: -1

  21. {"..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

    Returns: 1036

  22. {"...............", "...............", "...............", "...............", "...............", "...............", "...............", "...............", "...............", "...............", "...............", "...............", "...............", "...............", "..............."}

    Returns: -1

  23. {"................", "................", "................", "................", "................", "................", "................", "................", "................", "................", "................", "................", "................", "................", "................", "................"}

    Returns: -1

  24. {".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1258

  25. {"..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", "..................", ".................."}

    Returns: -1

  26. {"...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "...................", "..................."}

    Returns: -1

  27. {"....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "....................", "...................."}

    Returns: -1

  28. {".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", ".....................", "....................."}

    Returns: -1

  29. {"......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................", "......................"}

    Returns: -1

  30. {".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", ".......................", "......................."}

    Returns: -1

  31. {"........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................", "........................"}

    Returns: -1

  32. {".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", ".........................", "........................."}

    Returns: -1

  33. {"..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", "..........................", ".........................."}

    Returns: -1

  34. {"...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "...........................", "..........................."}

    Returns: -1

  35. {"............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................", "............................"}

    Returns: -1

  36. {".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", ".............................", "............................."}

    Returns: -1

  37. {"..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", "..............................", ".............................."}

    Returns: -1

  38. {"...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "...............................", "..............................."}

    Returns: -1

  39. {"................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................", "................................"}

    Returns: -1

  40. {".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", ".................................", "................................."}

    Returns: -1

  41. {"..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", "..................................", ".................................."}

    Returns: -1

  42. {"...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "...................................", "..................................."}

    Returns: -1

  43. {"....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "....................................", "...................................."}

    Returns: -1

  44. {".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", ".....................................", "....................................."}

    Returns: -1

  45. {"......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................", "......................................"}

    Returns: -1

  46. {".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", ".......................................", "......................................."}

    Returns: -1

  47. {"........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................", "........................................"}

    Returns: -1

  48. {".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", ".........................................", "........................................."}

    Returns: -1

  49. {"..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", "..........................................", ".........................................."}

    Returns: -1

  50. {"...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "...........................................", "..........................................."}

    Returns: -1

  51. {"............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................", "............................................"}

    Returns: -1

  52. {".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", ".............................................", "............................................."}

    Returns: -1

  53. {"..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", "..............................................", ".............................................."}

    Returns: -1

  54. {"...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "...............................................", "..............................................."}

    Returns: -1

  55. {"................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................", "................................................"}

    Returns: -1

  56. {".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", ".................................................", "................................................."}

    Returns: -1

  57. {"..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", "..................................................", ".................................................."}

    Returns: -1

  58. {"...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "...................................................", "..................................................."}

    Returns: -1

  59. {"....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "....................................................", "...................................................."}

    Returns: -1

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  63. {"........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................", "........................................................"}

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  66. {"...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "...........................................................", "..........................................................."}

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  67. {"............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................", "............................................................"}

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  70. {"...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "...............................................................", "..............................................................."}

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  74. {"...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "...................................................................", "..................................................................."}

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  75. {"....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "....................................................................", "...................................................................."}

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  76. {"........", "........", "......4.", "........", ".7......", "........", "........", "........"}

    Returns: 352

  77. {"........", "........", "........", "........", "....4...", "........", "........", "........"}

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  78. {"........", "........", "........", "........", "........", "........", "........", "........"}

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  79. {"........", "..7..4..", ".4......", ".....4..", "...7...4", "....4...", "....7..7", "........"}

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  80. {".7.....4", "...7....", "........", ".....7..", ".4......", "4....7..", "........", "4..74..."}

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  81. {".4....4.", ".7.....4", ".7.....7", "....747.", "........", ".7......", ".....74.", "..4....."}

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  82. {"...........", "...........", "...........", "...........", "...........", "...........", ".....7.....", "...........", "...........", "..4........", "..........."}

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  83. {"...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "..........."}

    Returns: 484

  84. {"...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "..........."}

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  85. {"47....4....", "4...4......", "...4.74....", "....744.4..", "...........", "4.....7....", "...4.......", ".......7...", "...4.......", "...7..44...", ".7........."}

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  86. {"......7....", "...........", ".....7.....", "...7.......", ".....4.....", ".7.........", "...........", ".....7..7..", "..4...7..7.", "...........", ".......77.."}

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  87. {"...........", "4.......4..", "...74......", "..7........", ".4.4.47....", "..4....4...", "7......4...", "...........", "7..........", "...........", "..........4"}

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  88. {"..............", "..............", "..............", "..............", ".4............", "..............", "..............", "....7.........", "..............", "..............", "..............", ".....4........", "..4...........", "..7..........."}

    Returns: 1036

  89. {"..............", "..............", "..............", ".....4........", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

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  90. {"..............", "..............", "..............", "..............", "..............", "..............", "..........4...", "..............", "..............", "..............", "..............", "..............", "..............", ".......7......"}

    Returns: 1036

  91. {"..7...4.......", "....7.77......", "..........7...", "4.............", "4.4..........7", ".....7....7...", ".4..4.........", "..77....7..4..", "77....4.......", "...47...4.....", "..7...........", ".4.......7..4.", "7....7........", "....4...4....."}

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  92. {"4....7..74....", ".......4.4....", "....7.........", "..........7...", "..............", "..........4...", "...7....4.....", ".......7......", "..............", "..........4...", "...7.4....44..", "..44..........", ".........77...", "......4....4.."}

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  93. {".....74.....4.", "..7.7.....74..", ".744.7........", ".....7....7..7", ".4.7...7......", "4.............", "...4....4.7..4", "......4.....7.", ".44..7........", "..............", "...74........7", ".4....4..4....", "4..7...4......", "...4.........."}

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  94. {".................", ".................", ".................", "7................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".7............4..", ".................", ".................", ".................", "..4..............", "...............4."}

    Returns: 1258

  95. {".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1258

  96. {".................", "7................", ".................", "...4.............", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

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  97. {".7...7.7........7", "...............7.", ".........44.....4", "............44...", "........7........", ".....7..4........", "..77..4....4.....", "....7......4..7..", ".......4.......7.", "................4", ".7...........7...", "..........4.....4", ".7.74...4..4....4", "..............4..", ".7.4.......7....4", "...4.............", "..7.....7........"}

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  98. {"..7.7.7..........", ".7.........4..4..", "7...4.........4..", ".....7.7.........", "...........7..4..", ".............4...", "7.....44...77....", "7.....7.77.4.44..", ".7....4.7......7.", ".......4.4...7...", ".......7..4.4....", ".7...7..4.47.....", "....74.........4.", "............4....", "............4....", ".....74..........", "7.............4.."}

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  106. {"77447477", "........", "........", "........", "........", "........", "........", "........"}

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  107. {"74747774", "........", "........", "........", "........", "........", "........", "........"}

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  108. {"74744777", "........", "........", "........", "........", "........", "........", "........"}

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  109. {"47444477774477", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

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  110. {"47744774744774", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

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  111. {"44747774447774", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

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  112. {"44744444444474474", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

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  113. {"74474444447444444", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1261

  114. {"44474444447444474", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1261

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    Returns: 29307

  116. {"477777777777777777777774777777777777777777477777777774777777774777", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29307

  117. {"777777777777777777777777747774777777477777774774777777777777777777", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29307

  118. {"47744777", "47774477", "........", "........", "........", "........", "........", "........"}

    Returns: 358

  119. {"77747474", "77747447", "........", "........", "........", "........", "........", "........"}

    Returns: 358

  120. {"74474777", "74774477", "........", "........", "........", "........", "........", "........"}

    Returns: 358

  121. {"44474777747474", "44447477777474", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

    Returns: 1042

  122. {"47747774744447", "74477474474774", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

    Returns: 1042

  123. {"74474474477477", "47444447747777", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

    Returns: 1042

  124. {"44444447474744444", "44447444474447444", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1264

  125. {"47444474444444474", "44774447444444444", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1264

  126. {"47444444444774444", "44444447444444774", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1264

  127. {"477777777777777477747747777777777777477777777777777777777777777777", "777777777777447747777777777777777777777777774777777777777777774777", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29310

  128. {"477777777777747777777777774777777777777777777777777477777777777774", "777777774477777777777777777777777777777777774777777774777777477777", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29310

  129. {"777777777777777774777477777777777777774747777777777477777777777777", "777777774777774777777777777777777777777777777777747777777747777747", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29310

  130. {"77744477", "44747777", "74747477", "47747477", "........", "........", "........", "........"}

    Returns: 364

  131. {"74774747", "77747744", "47747747", "77747447", "........", "........", "........", "........"}

    Returns: 364

  132. {"77447477", "44477777", "74447777", "47474777", "........", "........", "........", "........"}

    Returns: 364

  133. {"77744474744774", "74447477747474", "44477774474477", "44444747777477", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

    Returns: 1048

  134. {"47477447747447", "47447774444777", "74774474744774", "74474477444777", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

    Returns: 1048

  135. {"74447474747774", "47444474774777", "77447744477447", "77447474477447", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", "..............", ".............."}

    Returns: 1048

  136. {"44444474444447447", "47444744444744444", "44444744447447444", "44444444474444774", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1270

  137. {"47474444444447444", "44444447444474744", "47444474447444444", "44447447444444744", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1270

  138. {"44444477447444444", "47444744444744444", "44444744444444747", "44444474474447444", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................."}

    Returns: 1270

  139. {"777777777747777777777777777474777777777777777777777777777774777477", "777777777777777777777474477774777777777777777777747777777777777777", "744777777777777777777777777777774777777777777777477747777777777777", "777774747777777777777777777777747747774777777777777777777777777777", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29316

  140. {"777777777774777777777777777777777777777777777744777777777774477777", "777777447777777777777777777477777777777777747777777774777777777777", "777747477777477747777777777777777777777777777777777774777777777777", "777747477777777747777777777777777777774777777777777477777777777777", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29316

  141. {"777777777777777777777777777777777777774747744777777777777777777477", "777774777777777777777477777777747777777777777774777777477777777777", "777744777477777777747777777777777777777777774777777777777777777777", "777744777777474777777777777777777777777777777777777777777777774777", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", "..................................................................", ".................................................................."}

    Returns: 29316

  142. {"47747747", "47477477", "47447777", "77774744", "...4..4.", "........", "4.......", "....4..."}

    Returns: 364

  143. {"47477774", "77747474", "77747447", "74777447", "...4..4.", "........", "........", "........"}

    Returns: 364

  144. {"77744774", "77744477", "47474777", "77777444", "........", ".44.....", "........", "........"}

    Returns: 364

  145. {"74447474747477", "44774447747747", "77774747444447", "44477774447477", "..............", "..............", "..............", "..............", "........4.4...", "..............", "..............", "..4...........", "..............", "..4....4......"}

    Returns: 1048

  146. {"77744774477444", "47444777477447", "77474477474447", "74747474474477", "..............", ".....4.4......", "..............", "....4.........", "..............", "..............", "..............", "............44", "..............", ".............."}

    Returns: 1048

  147. {"74747744447747", "74444747774477", "74477447447747", "47477744444777", "..............", "......4....4..", "........4.....", "..4.........4.", "..4...........", "............4.", "......4....4..", "..............", "..........4...", "...........4.."}

    Returns: 1048

  148. {"44744444444447744", "44744447744444444", "44444444474744474", "44444474744447444", ".................", ".4..4....4...4...", "..............4..", ".......4.......4.", "................4", ".................", ".4....4..........", ".............4...", ".................", ".......4...4.....", "...............4.", ".................", "................."}

    Returns: 1270

  149. {"44444474474744444", "44474444444744474", "44474447444444744", "47444444444447744", ".................", "........4........", ".................", "...4.............", ".4...........4...", "..........4......", ".4........4......", ".................", ".........4.......", ".................", ".4...............", ".................", ".....4......4...."}

    Returns: 1270

  150. {"77444444444474444", "47474444444474444", "44447444444447447", "74744447444444444", ".................", ".................", ".................", ".........4.......", "....4............", "................4", ".....4...........", "..4...........4..", ".................", ".................", ".................", ".................", "...4..........4.."}

    Returns: 1270

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    Returns: -1

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: 29304

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    Returns: -1

  175. { "777.7.4.777777..7777777777777777777777..7.7.7.7777777.777777777777" , "777777777..7.7777777777.7.777777777777.77.7.7777777777777.777777.7" , "77.77777777.77777.7.77777777777777777.77.77777.7777777777777.7777." , "77777777777.7.7777777777777777777..77777777777.777.7777.7777..7777" , ".777777.77.777777777777.7777777777777.777777..777777777777777.7.77" , "77..7.7777777777777777777.7.777.77777777777.7.777777777777777.7.77" , "7777.77.777777777777777.77777777777.77777777..77777.777777777.7.77" , "777.77777.77777777777..7777777.777.77.4777.7..7777777777..77777777" , "777..7.7774.77.777777777.7777777.77777.777.77.777777777..7.7777777" , "777.7777747.77777777777777....777777.77777.77777777777777777777.77" , "77777.777777.7777777777777.7...77777777.7777777.7777777.777.77.77." , "77777.7.777777777777777...7777777.7.77777777777777777777777777.77." , "..777777777777777.7777.777777777.777.7.777777777777777.777777.7.77" , ".777777777.7.7777777777777777.777.77.7.7.7777777.77.77777.7777.77." , ".777777777..777777..7777777777777.77..7.77777777.7.77777.7777777.7" , "77777777777777777.77.777777777.7777777.7..777.777.77777.7777.77777" , "7777.7777.777777.777777.777777.7777777777..777.7.77.777777.7777777" , "7777777.7777777777.7.7.77.7..7777777777777777777777.777777.77.7777" , "777777777.777.7777777777.7.77777777.777777.77777.7777..7.777777777" , "777.7.77777.77.77777..7.77777.7777.7777777777777777.777.77777777.7" , "7777777777777777.77..7.77777777777777777.7777.7777777.7..777777777" , "77.7777777777.77.7777777777.777..77777.7.77.7777.7777.77777777.777" , "..7777777777.777777777777777.7777777777777777.777.7777.7777777.777" , "7777..7777.777777777777.77777777.7777..77777.777777777.77777777777" , "77.77777.77777777777..777.7.7777..777.7777.7777777777777...7777777" , "77.77777777.7777.7777777777777.77777777.7777.777.777.7477.77777777" , ".7777777777777777777..7777.7777777777.7777777777.7..77777777777777" , "777777.777.77.77777.7.7777777.777.7777.77777777777.77777.77.77.777" , ".7777.77777.7777777777777777777.777777777777.7..7777777.77777.7777" , "777..7.777777777777.77777777777.77.7777777.777777.777.777.77777777" , ".777.77777.7777777777777777777.77777777777.777.77777.777.77777777." , "777777777777777777777777777.777777777777...7..777.777.777.77777.77" , "774777..777.7..7777.7777777777777.7777777.7.777777777.7.77.777.777" , "77777.77.7777777.7777777.777777777777777777.777.77777.7777.7777777" , "7777777777777777777777.77777.7777777.77777777.777.7.7777.7.77777.7" , "77.77.777.7.7777.77.7.7.77777777777.77777777777.777777777777777777" , "777777777.7777..77.77777777777777777...77..7777777777777.774777777" , "777777777777.7777.777777.777777777.777777777.77777.777.7777777.7.7" , "777777.777.777777.77777..7.7.7777777.77777.777.7777777777777777777" , "7.777.7.7.77777.777.77.777777.77.77777777777777777777..7777777.777" , "77.77777.777.777.777777777.7777.777.777..77777777777.77.7777.77.77" , "7777777777777.77777.77777...777777.777.777.77777.7777...777.777777" , "77777777.77777777777.77777777777777.7777777777.77.7.7...777...7.77" , "777.777777777777777.77.7.77777777777.77777777.777777.7777777777.77" , ".7777.7777777777.7777777.7777777777777774777777777.7777777.77.7777" , "777777.777777.47.777777777777777777.7.7.7777777777.7777.7777777777" , "777777777777.7777.77..77777777777777..7777.7777.7477777777.777777." , "..7.777777.777777.777777777777777.7.77.77777777.7.7777777..7777777" , "7777777777777.77777.7777.77777777.777.77777.7.7777777.7.7777777.77" , "77.7777777.7.7.77777777777777777.777.7..777777.77.77777777777..777" , "777777.77.7777.7.7777777.7.7777..7..777777777777777.777777.77.77.7" , "777777777777.7.7777777.777.7777.77..77777777777777777777777777...7" , "7.7777777777777777777777777777.777777..7777777777777777..777777.7." , "77.7.7777..777.77.777777777777.7.777777777777777777777777777777777" , ".7777777777777...77.7777777.774777777777777.7777777777.777777.7777" , "7777777777.77..7777777777777.77777777777.77777777...77777.7.777777" , "77.777777..77..7777.7777..777777777.7777.777777777777777.77.77..77" , ".7777.7777777..77.77777...777777.777.7.777777777.777.7777.77777777" , "7..7.7777777777777777777.777777.7777.777.7.777..77777777.77777.777" , "7.777777...77.7.777777.777.777777.77.7.777777777777.77777777777.77" , "77777777.777777.77.7777.77.777777777777.777.777.777777.777...77777" , "77...77.777777777.7777777777777.7.7777....7777.777.777.77777777777" , "77.777777777777777777777...7.777777777777.7777..77777.777777777777" , "777777777.777.777777777.7..7.7.7777777777...777.77777777.777777777" , "77.77777777.7.77747.7777.777777.777777777777.77777.7777..777777.77" , "777..77777777.777.77777777777.77777777.77..7777777777777777.77.777" }

    Returns: -1

  176. { "7.77777777777.77777777.7777777.77777777777777777.777.77.77777.7777" , ".7777.77.77.7777777777.777777.777.777.7777777.7777.777777777777777" , "7.777777777777.7.777.77777.7777.77777777.777.7777.77777..777777777" , "7.7777777777777.77.77777777777.77777..7777..77777777...77777777777" , "77.777777.7.77.7.7.777777777.777777777777777.777777.7.7.777777.777" , "77.7777.7777..7.777.77777.7777.7777777.77777.7777777.7..77777.7777" , "7777777.777777.777.777777.7..77..777777777777777777.77.77777.777.7" , "77777777...77.74777777..77777.777.77777777.7777777777.7.77.7777.77" , "777777777777777777..77777.7777777.77777.777777.77.77.7777777777777" , "7777777777.777.77777.77777.777.7777.7.77777.777777777777.777.7.77." , "777.777777777777.77.77777.7777.77.7777777777777777777777777.77.777" , "7777777777777.77..7.7..777.77777777777777777777.7777.77.7.7777777." , "777.777.7..777777.777.7777777.77777777777777777777777.77777..7.777" , "7.777777.77777777..77.7777.777777777.7.77747.777.77777777777777777" , "777.77777777777.777.77.77777777777777.77..777777777.7777777777777." , "777.77777777..7..777777777.777777777.77.777777777.7777.77.77777.77" , "777777.7777.7.77.777.77777..77777.77.777.777777777.7777777.77.77.7" , "777777777777.7.77777.777.7777777.777777.777777.7.7777..77777.77777" , "777.7...7.7.7777777777777777.7.777.77.77.777777777777777.77777.7.7" , ".777777777.77777..7777777.77777.777.77.7.777.77777777777777..7..77" , "77.777777.7777777777.77777777777..77777777...777.7777.77.7.7777777" , ".777777.77777777...777777.77777.777777.77777.77.7777..77777777777." , ".777777777777..7...77777.77777777777777777...7..7777.77777777.7777" , "7777777777.7.4.77.7.7777777777.77777777.777777.777777777777.777777" , ".7.777.7777777777777.7777777777.777777.777.7777777777777.777..7777" , "7777.7777777.77777777.77.77777..7777777.7777777.777777777777777777" , "7777777777.777777777.777777777..777777777.7777777.77.777.7..7.7477" , "7777777.7.77777777.777.7777777777777.777777....7.777.77777777.7777" , "77.77.77777777777777.7.77777777777777.77.7.7.7.7777.77.7777.777777" , ".7777.77.77777777.77.77.777.777777777777.777.77.7..777.77777.77777" , "777777777777.77777777777777777.7777.7777.7...7.7.7.777.77777777777" , "7777777.77...777777777..77777.77777777777.7777777777777.77.7.77777" , "77777.7.777777777.7.77777777..7777.7..7..7777777777777777777.77777" , "777777777.77777.777.777.77777.777777.777777.7777777.777.7.777777.7" , "777777.77777777.777777777777777.7777777.777777.77777.77.77.7.77777" , "7..77777777.77.7777.77777.77.77.777.777777.777777777.77.7.77.77777" , "7777777.777774.77777777...7777.777.777...7777777777777777777477.7." , ".77777..77.777777.77.7.7777777.777777777777777777.777.7777777.7.77" , "7777.7.7.77777777777.77777.7777..777.7777.7777777..77777.777777777" , "7777777.777.77777777..77.7777777777777.7777777.77777777.7777777.77" , "77.7777..7777777777..77777.77777.7.77.777.777777777777777.77777777" , "777777..7777.7777777..777777..77777777777777777.777..777777777..77" , "777777777777.77777777..777..777777.7.7777777.7777777777.7.7.77..77" , "..77..77777777...777777.777777.77.7777..7777777.7.7777777777777777" , "77.7777777777..7.77.7777777.7777777.7777777.7777777777777777777777" , "7.777..777777.7.777777.77.77.777777..7777777777.777777777777777777" , "777.7777.7777777777777777777.7777.77777..777777.77.77777.7777777.7" , "7777777.7.77777.777777.777777777.77.777.7777777.77777.7777.7.77.77" , ".7.777777777777777777777777..77777777.777.77.777.77777777777.77777" , ".7777..7777.7777777.7.7.777777.777777777777777777777777777.7777777" , ".77.77.7777...777777777.777777.77777777777777777777.777777..77.777" , ".7.7777777777777777777.7.7777.777777.777777777777777.777777.777777" , ".77.777.77777777777.77.77.77777.77.7777777.7777.777777777.77.77777" , "7..777.7..77777777.777.777.777777.7777777777777777.7777777777777.." , "77777.777.777777.7777..7777477777....7777777777777777.77777.7777.7" , "7777777777777.77777777777777.77..7777.77777.7777.77.7.77777777.7.7" , "77.7.777777777777777777777777.77777777.777.7.777..7777.7777.7777.7" , "....77....7.777777.77777777777777777.777777777777777777.7.7.777777" , "7777.77777.7.7.7.7777777777.777777.7777.7.7777.7777.7.777777.7.777" , "77.777777.7777777777.7777777777.777777.77.7777.7777.7777777777.777" , "77777777777777777777.7777..7.777777777777.77777777.77777777.777.77" , "777777...7777777..7777.77777777777.7.7777777777777.777777777777.77" , "7.77.77777777777.77.777777777777..7.7.7777777.7.77.7.7777777777777" , "777777.7..77777777...7777777777777..77777.77.7777777.77777.7.77777" , "777777.777777.777.77777777.77777777.7.7.777777.77.7777.77777777777" , "77.7..7..7..77.7.77777.7.77777777777777777777777.77777777777777777" }

    Returns: -1

  177. { "7.77777777777777.777.777.777777.777777777.7777777777.777.77777777." , "777.7777.777.77.7.77.7777.77777.7777777777.77777777777777777777777" , "7777777.777..77777777.77777777777777777777.7777777.7.7777.777777.7" , "7777777777777.7777777.7777..7777777.777.77477777777.7777.777.7.777" , ".7777.7.77777777777.77.77.777777777.77777.77.777777777..7.7777.7.7" , "7.7777.777777777777777777777777777777.77777.7.7777.7.77.777777777." , "777777777777777777777..777.777.77777777777777.7777.777.777....77.7" , "777.7777777.7777.7777.777777777777777.77777.7777777.7.77.7...777.7" , "777777.77.777777777777777777777.77.7777.7777777.7.7777777.77777777" , "7777.7777777.7777.7777.7.7777.7.7.7.77777777777.7.777777777.7.77.7" , "777.7.77777777.7777777777777.77777777777777777777.77777777..777.77" , ".77777777.77.7777777..77.777.7777777777777.7777.77777.7.77777.777." , "777..77777777.77..77777.7..77.777777777777.77777777.77..7777777777" , "7777.777..7777777777777777.77777777777777.7777.77777777.777777777." , "7777777777.777777777777.7777.7777777777.77777.7.77..77..7..7777.77" , "77777777777777.7.7777.7.7777777777.77777.77777.777777777777777777." , ".777.777777777.7.77.7777.7..7777777777777..77.777777777777.77.7777" , "77777777777.7.777777...77777777777777777777.7777777.77.77777.7..77" , "..7777..7777777777777777777..77777777777777.7777.77.7.777777777777" , ".77..77.7777..777777777.777777777777.7777777777..77.7.777777777777" , "7777.7777777777.74777777.77777777777.777777777777777.77.7777777.77" , ".77777.7777.7.777.777.777.777777777777.777777777777777777777777777" , "7777777777.777777777777.777777777.777777.7777.77...77777.77777..7." , "7.7777777777777.7.7777777777777777.7.7777.7777.77.77.7.777777.7777" , "77.777..777.777.77777777777777777777.777.777.777777777777777777777" , "77777777777..7777.77777.77.7777777777.77777777.777.7777777..777777" , "7777.77777.7777.777777.7777777.777.7..77...777777777.77777.7777.77" , "777777777777777.7.777777777777.77777777777777.7.7.77777777..777777" , "7.77777777.7.77777777777777777777.7.77777777.77.77.7.77777777777.7" , "77777777..7777777.77777777.7.7777777777777.77777..7777777777777777" , "77.777777.7.77777777777777777.77777777777.7777777.7777.77777777.77" , "777.7.77777..77.777.7777.77.77777777777777.7777.7777777777..777.77" , "777777777.7777777777.77777.7..777777.7777777.77777777.77.777777777" , "777.777.77777.7777777777.7.7.77.77777.7777777777.7777777777.77.777" , "77777.7777777777777..777777777.77.77.777.777777777777777777..77.7." , ".77.7777777777777777777.77777777...77..777777777777777777.4.7777.7" , "7777777.77.7.777777777..77.77777777777.7777777777777.7.77777777777" , "7777777..777777777777777.7.77777.7777.77.777.777777777777777.77.77" , ".7777777777777.77777.77777777777.7.7777777777777777.7777777.7.7777" , "777777.77.777.7777.7.7777777777.77777777777.7777777777.7.777777777" , "77777774.777777777.77777777777.777.7777777.7.77777.777.7777.7.7777" , "777.7777777..7777...7777777.777777777.7777777777...77777777.777777" , "77..77777.77.7777777...7..777.7777.77.777777777777777.7.7777777777" , ".77777.777.77.7777777.777777777777..777.777777777.77777777..777777" , "77.77777.77777.7777.7777777777.777777777777...77777777777777777777" , "7.777777777777.777.7777.777777.7777777.7777777777.7777...777.77777" , ".777777777.77.7.7.7.77777.7777777777777777777777777777.7777777777." , "77.77777777777777777..777.7777.77777..7777777.777777.4.77.7.777777" , "77.77777777777..77.7777777777.77.7.7777.777777.77777777777.7777..7" , "77777777777777777777777777777.7..7.77777.7..77.77.777777.777777777" , ".777.7777.77.77.777777777.77777.7777777777.777.777..4.777.77777777" , "77..77.7.77777.7.7.7.7777777.77777.7777777.7777777.777777777777.77" , "7777777777...777777777777..77.777777.7.77777777.777777.7777.7777.7" , "..7.7777777.7777777.7.77.7.77.77.77.777.777777777777777.777777.777" , "777..7.7.777777777777777777777.7777777.777.777777777.7777777777777" , "77.7.7.7777747.777.7.7777.77.777777.777777777777.7777777777777777." , "7.7777.7777777777777777777777..77.7777.77.77777.777777777777.77777" , "77.77.77777..77777.7777.7777.777..77.77777.777777.77777777777.7.77" , "77777777777777777.77.77.77777.7777777777.77.7777.77777.7777.777777" , "777777777777.777.7..7.777.77777.7777777777.7777777777777777777777." , "777777.777777777777777.777777.7777777.777777..777777777777.7.7777." , "77777777.777.777.777777.7777777...7777.7...777777.777.777777777777" , "77777.7.7777777.7777777...77777777777.7777777.7777.777777777.77.7." , "77777.777777777...7.77777777777777777777..7.77...7777777.777.77777" , "7777..7777777.77.77777777777777.777777777777.7777..7.7.77.777..777" , "7777.7.777.7777.77777.7777777777777777..7777777.7.777..777777777.7" }

    Returns: 29307

  178. { "77.777777777777.777.7777777777777777777.777777..77777.777.7.7.777." , "7.77.7777.777.777.7777.777777.7..7777.77777777.77777.77.77777777.7" , "7777.7.77777.7777777777.7777777.77.77777777777.77777..7777..77.777" , ".7777777777.77777777.77..7.7777.77777..7777..77777.7777777777777.7" , "7777777.777777.777777.77777..777777777777.7.77.7.7777777477...7777" , "7.7777777777777777777777.777.777777777..77777.777777777.77777..7.7" , "7.7777777.777.777777777777777.77.7..777..7777777..7777777777.77777" , "777.77.77777777.777.7777.77777777.77777777777777.77..7.77.7777777." , "77777..7.77.7777777.7777777777.7.7777777.77777777777.777.7.7..7.77" , "77777777777.7777..777777.7.7777777777...777777.77.7.77.777777777.7" , "77777777.7...777.777777.7777777777.777..77..777777.77777777..77777" , "7777777.7777777777777777..777777.7777777.7.7777.7777.7777777777777" , "77777.77777777.7777777777...77777777.7.7.7777..777.777777.77777777" , ".7.777.77.77777.7777777777.777777777777.777777777777...777777.7777" , "7.777.77.777.77777777777777777777.77777.7..77.77.77777777777777.77" , "77.7.7.777777777.77777.777777777.77777..77.777777.477777777777777." , "777777777777.77777777777777.77777777777.77777.7777777.7777..77.777" , "7777777777.777777777777.77777777777..777777.7777777777.7777.77777." , "777.7777477777777.7777.777777777777777.777777.7...7777777777777777" , "7777..7777777.777777.777777777777777777.7...77.7.7.777777.77777777" , "7.777..77777.7.7777777777777.7777777777777777777777777.777.7.77777" , "777..777.7777.77777777777777777777777777777.77.7.7.77777.777.7..77" , "77777.77..77777.777.777777777777.77.77777777.77.77777777.7.7.777.7" , "77777.777777777.77777.777.77777777.7.77.77777.7777777..7.77777777." , "777.7.77777.7.77.77.7777777.7.7777.7777777777777777.77.777.7..7777" , "777.777.777777...77777.77..777.7777777777777777.77777777777..77777" , "77777.7.777.77.77777.777.777777777.77777..77777777...77777777.7777" , "7.7.777777.7777777..77.777.77.777.7777777.7.77.77.7777777777777.77" , "7777.777.777.7777777..777.77.7.77.7777.7.7.77777777777777777.7.777" , "77.77777777477.777.77777777777.77..777.77777777777777777777777.777" , "7777.7.777.77777.7.7.7777777777777.7777777777777777.7.7777.777777." , "777777777777.77777..77777.7777777.7777777.777.7.777777777777777.77" , "..7.7777.7777777777777777777777..77.7.777..777.77.77.7777777777777" , "777.777777777.77.7777777777.7.777777777777.77..7777777777777777.77" , "777777.777777.7777.7..77777.77777.7.77.77777.7.77.7777777.7777777." , ".77777.777777777.777777777777.777777777.7777777777.77777.777..7.7." , "777.777777777777777777777.77477777777777777777777777.77777.777..7." , "7777.7777.7.7777777777.7777..777.777777777.777777777.777777.77.777" , "7.77777777777.77777.7777777..777.777.777777777777.7.77777.77777777" , "77777.777777777..7.77..77.7.777.77777777777777777.7.77777.777777.7" , "77.7777.777.77777777.7.7.777.7.77777777.77777777.777777777777.7777" , "7777.777777..77777.7777777777.7777777777777777777777777.7..7.77..7" , "7777777777.777777777777777777.77777777.777777777.777.777.77.777.7." , "7777777.777..77.777777777.77777777777777.777777777.7777777777.7777" , "7777777777777.7.77777.77.7777.7777.777.777777.77777.777777777.77.7" , "7.77..777777.7777777777777777.777777.77.77.77.777.7.77777...777777" , "77..7777777777777.77.77777.777777.7.77777777777.7777777777.7777..7" , "777777.77777.77777777.777777777.7.77777777.777.777.777777777.7777." , "7.7777.777.77777777777777777..777777.77777.7777777777.7..777777777" , "7777777774.7777777777.777777777..777777..7777.7777777777777.777777" , "77777777777777.7777777.77.7777777.77.77777...77.7777777777.777.7.7" , "777..77777777777777777.7777.7777777.77777777777..77777..7777777.77" , "777..7777.77777.777777.77777.77..7777777777777777.77.777.777777777" , "777..777.7777.77777.7.77777777777777.77777777.77.777.7777777.7..77" , "77777777777777777..7777.77.7777.77..777..7.77777777777777777..7777" , "7777777777777.77777777.77777777777777.77777777..77..777.7777777777" , ".777777777..77777777.7777.77777.7777777.77777.77.77.77777777.77777" , ".77777777.77777.77777777777.7777777777.77.77777777.77..7777777.77." , "77777777777777.777777.7777.7.777777...77777777.777.777777777777777" , "7777777777.777.777777.77777777.77777777777.777777..77.77777.777777" , "77777..7777..7.777777.77777777777777777.7777777.7777.777.777777777" , "777.7.7.777.7.777..777777777.7.777777.77777.777777777777.777777777" , ".77.777.777777777.777.777..7777777777.77.7777777.77777777777.77.77" , "77777.777777.777.77..777777.777777..7774.77.7777777777777.7777777." , "777777.77.7.777.777777777.777777777.77777777.7777777777.77.7777.77" , "77777777.777777777.7777777777.777777777.77.77777.7777777777777.7.7" }

    Returns: 29310

  179. { "7777777777777.77.77777777.777777777.777..777.777..7777777777777777" , "7777777777.77.7777777777777777.7777.7777777777..7.77777777.7777777" , "7777.7777.777.7777.777.77777777.7777777777.77777777777.77.777777.7" , "777777777777.7777.77.777.777..777...777777777777777777777.77777777" , "7.7.7777.777777777.7..77.77.777777.7777.7777777777777.777777777777" , "77777777777.7..777.77.7.77.7777777777.777.7777.7777777777777777777" , "777777..777777777777777.77.7777.7777777.7.77.7.77777777777777777.." , "77.77777.77777777777777777.7777..77..77777.777777777.7777.77777777" , "777777777.77777.777.77777777777777777.77777.77.7777..7777777777.77" , "7777777777777777.7777.77.7.777777.7777777..7777.7777777777.77.7777" , "7.77777777777.7.7777777.77777..7.777777777777777777.77777777777777" , "77777.777777.777777777.777777..7..7.777777777777777.7.7777777777.7" , "7777777.77.7.7.77.777777777.77777777777777777777..77777.777777777." , "7777777777.7777777777777777.77777.7.77777777777777.7777.7.7777777." , ".77777777777.777..777777...7.777777.7.777.7777777777777.7.777.7777" , ".7777777777.77.7777777777.77777777...77777.7777777.77777..7..77777" , ".7777777777777.77777777.777777.777.77.77777.77777.77777777.7777777" , ".777.7.777777.7777777.777.777.77777777.7.77777..7777.77.77.7777777" , "77.77.7777.7..777...777.7777.777777777.7.777.7777777.7777777777777" , "77777777777777777777777.7.77.77.777.777777777777.77.777777.77.7777" , "777777777777777.7777777.7777777...7777...7.7777..77777777..7777777" , "77.7.77777.7777777777777777777.77.777777777.77..77777777777.7.7777" , "777.777...7777.777777.77777.777777.777.777.77777.7777777777777777." , "777.7777777777.777.777..777777777777.77.777.7777.77777777.7777777." , "777.777777.77.777.7.774777..7..777.77.77.777777.777777777777777777" , "777777.777777777.7.777777.7..7777.77777.7777777777777777777777777." , "77..777777.777777777777777.77.77.77777777777.77.77.777.7...777.777" , "7777.77777777.7777..77..777777.7777777777.77777.7777777777.77777.." , "777777777.777777.7.777.777777777777777777.77.77.7777.77777.7777777" , "7777777777777777..777777777777777777777777..7777777777777777....77" , "4.7777777777.7777777777.777.77777777777..77777777...77..77777.7.77" , "7..77777777.77777.777....7.777777777.7777.777.7.7777777777.7777777" , ".77.777.777777.777777777777.77777.7.77777.7.777.777.77.7.77777777." , "7777777.777777.77777777777777.7777777.77777777777.7777777.7.77.777" , "7.77.7777.77.7.7777.77777777777777777.7.7..77.7.7777.77777777777.7" , "77777.777777777777.7777777.77777777777777777...7.777777777777.7777" , "7.777777..77777.7777777777777.7777777777.77.77777777777777777..777" , "77.7.77777777..7..77777.77.777777..77777.77777..777777777777777.77" , "777.777777.7777777.777.77777...77.77..777777777.77.7777777777777.7" , "7777777.77.777.7777777777777777777.777777.777777.7..77777777777777" , "7777.77777777.7777.777777777777.7777777777777777.7777777..77777.7." , ".7..7.777777777777777.777777777777.7777777..7.777.7777777.77777777" , "7777777.77777.777777.7777.77777777777777.77.777777747777777777.777" , ".7777.7.7777.777.777..7777777..77777777.7777777777777777..7.77.777" , "7777.77.7.77.77.77777777.77777.777..7777777.777777.777777777777..7" , "77.777.7777777777.7777.77777.7777.77.77777.7777777.77777.77777777." , "777.777.7777.777.7.477.7.77777.7777777777777.77777777..7777777777." , "777.77777.7777777..77.77.7777777777777777.7777.7777..7.777777.7.7." , "77777777.7..777.7777.777.77777777.77.7777777777777.7777777777.7..7" , "777777777777777.7.77777.777.777.77777..77777.77777777777.77.7.777." , "77777777.7777777.7.7777777.7.777.7.777777777777777777777.777777777" , ".77.7777777777777777777.7777777777777777777777.77777.777777777.7.." , "7.7777.777777777777.777777.777777777.77777777777777777..777777777." , "77777...77777777777777..7.777777777.7777777777....77777.7777777777" , "77.77.7777777777.777.777.7777.77...7.7.7777.77.777777777.777777777" , "77..777.77777777777777777777.7.7.777777.7.777777.777.77777777777.." , "777777777777.77.777777777777.777.7.77777.777777.77.7777777777.7777" , "777777777777777777777.77777777777.7.7777777777.777777..77..7777777" , "7777777777.777777777..777777..777777777777777.777..7.777777777.777" , "7777777777.77.7777777777777...77777.7.77777.7.77777777777777.7777." , "77.7777.777777777.777777777.77777777777..777777.77.77777777777.77." , "777777.7777.77777777.777777777..77.7.77777777.777..777.7777.777777" , ".777777.7777..7.77777777.77777777..7777777777..7777.77777777777.77" , "77777777.7.7777777.77.77777.7777777777777777777777.77777.77777777." , ".77777777777777.7777777.77777.7777.7.7.7777777777.777777..7777..7." , "777777777..7777.7777777777777777777777777.7.7777777.7.7777.7.7777." }

    Returns: -1

  180. { "777777777.7777.7.7777.77..77.7777777.777777777.77.7777777.7.77777." , "..77777.77777777777.7.777.777777777.777777777.77777777777777..7777" , "7.777.77777.777777777777777777777777.777777.77.7777777.7777.7777.." , "7.77.7.77777777777.77777777777777777777.77.77.7..77777777777777777" , "77.77777777.7.77.7777777777777.7777777.77777777777777777777..77777" , "7.7.777.77..77777.777..777777.77777.77777777777777.7777777.77.7777" , "7777777777777777777777777.77777777.77777.777777..777777.77..7...77" , "77777777777..77777777.7.77777.7.77.7777777777.77777.77777777777777" , "777....77777777.77777.7777..7777.77777777.7.777777777.777777.77777" , "777777777.7.7777777.777777777777777777.7.77.7777777.77777777.77777" , "7..77777.777777777.77777777.7.7777.777.777777777777777777777777777" , "777777777777.77.777.7777777777.77777777777777777777.7.77777777.77." , ".77777777.777777.777777.77777777.777777777.7.777.4777777.7777..777" , "7.7.7777777777.7.777.777777777777.77.7777.7777777.77777.777.777777" , "77.777777.77777777777.777777.777.7.7777777777777777.77777..7777777" , "77..77777777.7.7777.77.7.77.77..777777777.77..7777777777.777777777" , "777777777777.77777777.77777..7777.77.7777777.77.777777777777777777" , "777777777.77777777.77..7777777.7...77.777777777777777.777777777.77" , "7.777..77.7.777.777.777777.77.777777777777777777777777.7777777.777" , "7777777.77777777777777777..77.777.777777.7.7777777777777777777.777" , ".777.7777.77777777.77777777...777777777777.777.77777777.777..77777" , "777777.7.7777.77777777777777777777777777.777.7777.7.7.77.7.77.7777" , ".77777777777777777.7.7777777777777.7.777.777777.777777.777.7777777" , "7.7.77777777.77777777..77777777.77777..7.777777.777.7777.7777.7.77" , "7.77.777777777.77.77774.777777777.7777777777.777777777.77777777777" , "77.777.777.777777777..777.777.777777777.7.7777..7777.77777.7777.77" , "777777777777777777.777777777777.77..777..7777.7.7777.7777777777777" , ".77.77777777777.77.77.7777777777777.7..77777777777777777777..77..7" , "77.777.7777777.77777777.777777777777777777777..77777.777.77777.777" , "7.7777.777.77777777.77777777777777777777777777..77.7.7777..7.77.77" , "7.7.77777777.7777.777777777777777777.7777.7777777777777777.77777.." , "7777777777..777777777777777777..77.777777777777.7777.77.777777.777" , "7.777..7.777777777.77777.7.7.7777777777.7777777.7777777777.7777.77" , ".77777777.77..7.7.77777.7777777777777777777.7.7.7777777777777..777" , "777777777777777.7..77.777.7.77777777..777777.7777.77777777777777.7" , "77.7777777777.7.777777777..777777.777777....77.77777777.7777777777" , "7777777777777.7777777.77777777.77.7.7..7.777.77.777777777.77777777" , ".77777777777777.777777777.7.777.77.7777777.777.77777777777.7777777" , "77.777.77777777777777.7777777.7777777777...7.777.7777..7.777777777" , "77777.7777777.77.777.77777777777777777777.7777.777777.7777.77777.7" , "77.77777.7.777777777777.77777777777.77777777777.7777...7.777.7777." , "7.777.77.7.777777777777..77777777777.77777777777777.7777777777777." , "7777777.777777777777777777.7777777..7.777777777777.777.7777777.7.7" , ".77.7777777777777777777777777777....777777..7.77.777777777.7777777" , "7.77.7777777.7.777777777777.777.77777777.777777.77777777777.777.7." , "7777..777777.7777777777777777777.77777.7.77777777..777777777777777" , "7.7777.777777.77777777.7777.77777777.777777777777777777.77777.7777" , "777777777777777777777777777777777777747.77777.7.77.7.77777..777777" , "77.7..77777..7777777777777.77777777777777777777.77.774.7.777777777" , "77777.77.7.7777.7...77777..7777777777.7.77777777.77777777.77777777" , "7777.7777777.7777777777.7.7.77777777777777.77777.7.777777777777777" , "...77777.7.777.7777777777777.77777.77777777.77777777777777.77.77.7" , "77.7777.777777.7777777777777777777777777777.7777.7.7777.7777777.77" , "...7777777.777777777777.7.7777777.7777777777777774777777777777777." , ".77777.77.77..7..77.7.777777777777777777777..7777.7777.777777.7777" , "777777777.77777777.77.77.77777777.7777777.7...77777777777777.777.7" , "77.7777..77777777777777.7.7.77.77777777.777777777777777777777.77.7" , "..77777.77777777777.77777.7.77777777.7.77777777777777..77.77..7.77" , "7777.7777777777777..777.777.77777777777777.77.77.7.77.777777777777" , "77777.7777.77777777777.777....7777777..77.7777777777.77.777777.777" , "77.7777.7777777777..7777.777.777.7777.777.7.7..777777.777777777777" , "777.77.7777...77777777777.7.7777.77777777.77777.77777777.7777777.7" , "77.7...77.7777777777777.7777.7777777.77777777.777777.77777777.7777" , "77.7.7777777.7777777.77777777.777777.7777.77777777777777777777777." , "77777.77..77777777777.77777777.777777.777777777777.77.77.77777777." , "77.77.77..7.7777.77777777777777777.77.7777....7777777.7777777777.7" }

    Returns: 29307

  181. { "777.7.7777.77777777777..777.77777777.7.7.7777777..77777777.7777777" , "777..77777777.777.777.77..7777777777777.7.77.7777.7777..7777777777" , "777777.7.7777777777.7777777777.777777..777.77...77.777777777777777" , "7.7.7.77777777.77.777777777777.777.777777777777777777777..77.7.777" , "777777.777777.77.77..77.777777777.77777777777777777777.77777777777" , ".7777777777777777.777..777777.77777777777.7777777.777777.777777777" , "7777...77.7..77777777777777.7777777.77777.77..7777777777.7777777.7" , "77.77.77777..777777.7.777777777777777.7777.77777..7777777.7.7777.7" , "77777777777.7.7777777777777.777777..77777777777.7.7777777777.77777" , "77.777....7.7.7777.7777.77777777777777777777..77774.77777777777777" , "77777.777.77777777777.77.777777..777777777.7..7777777777.7477.77.." , "77.7.777777.7.7777777777777777777.7.77.777777.7747777777777.777777" , "777777777.7777777.777.7.7777..77.7.77..7.777777477774777777777.777" , "7777.777777777.77777777.7.77777.7777.777.777.77.77.7777..77777.777" , "77.777777777777.777777777.777.7777..77777.777.7777.777...77777777." , ".7777777.7777777777777.7777.77777.7777777.7777.77777777.7777.7.777" , "77777777.77.7777777777.777777777777.7.7.7777777.777...777777777777" , "774.7777777777777777777777.7.777777..7.7.777.777.77.7777777.777.77" , "77777777777.77777777.77.7777.7777.7.77.777777.77777777777.7777777." , "7..777777.777777777777777777.7777777.777777777777.777777.77.77...." , "77777.777777777.777777.77.7777..7777777.77.7..777777777777.7.77777" , "7777777.7.77777777777777.77777.77.777777.7777.7...77777777777777.." , "77777777..7777777777.77777.777.77.77777777777.77.777777777777.7.77" , "777777777777..777774777777777777.7.77777.7777777777.7777.77.777777" , "77.777.7777777.7777.77777777777.77.77.7.77777777.777777.7777777777" , "77777.7.77777777.777..77777777.777777.777.77777777.77.7777777.7777" , "777777777.77777..77777777777777777.7.7.7777777777.777.7777777777.7" , ".7.77.77777777.7777.7.7.777.77777.77.77777.7777777777777777.77777." , ".7777777.7777777.7.7777777777.77777777...7777777..7.77777777777777" , "77..77.77777.777777..77777777777.777.77777777777.777777777777..77." , "7...77777.777777777777777...77.777777..77777777.7.77.777777777777." , ".77.77.7.7.77777..777777777.7.7.77777777.777777.7.7777.77777777777" , "777777777777777.7777777777.77777777777777777..77777777.7.7777.777." , ".777777.77777777.7777777.777777777.777777777.7777777.77.7777.77777" , "77777777777777..7.7...77777777777..7777777777777777777777777.77777" , "77.7777777..4777777.777777777777777777.777777777.77777.7777777.7.7" , "77.7777777.7.777.7777.7777.777777.7..7777.7.777777777777.7.7777.77" , "7777777777777777.77.7.7777..777.7777777..777777777...7.777.7777777" , "7777.7.77777.777777777.77.77.7777.7..77777.77777.7777.7777777777.7" , "...777777.7.7777..77777.77777777777777.77777.7777777.77777.7..7777" , "7...77.7.77..77.77777777777777777.7.77777.7777777777777777777.77.7" , "77.7.7777777777777777.7777777777777777777.7777777..77.777777774777" , "7.7.77777.777777777.777777.77777.7777777777.77777.777..7.77777.777" , "77.77.7.7.777777777777777777..77.77777777777777.77.7777777.77777.7" , "777.7777777..7777777777.777.777.7777.7.7.7777777777777777777777777" , "777777.7777777777777777.777777777..7777.777777.77777.777777477.777" , "777777777777777.77777.77.7777.77.7777777.77.7.77.777777777777.7.77" , "7777..7777.77.77.77777.777..7.7777777777777777.77.7777777777777.77" , "777777777.777777.77777.77.777.77777777777777.77777.77777777777777." , "7777777777777.77.777777.7777.77.77777777777777777.7777.7777.777777" , "777.7777777777777777.777...7777777.77.777.7777777.777777777.77777." , "7777777..7.777777..777.77777..7777777777777777777777777.77777.77.7" , "77777777..7.777777.77777777777.7.7.7..7777777777.7777..77.77777777" , "7777777777777777..7777.777.777777.7.7.77..777777777777777.7.777.77" , "777.77777777777.7777777777.77.777..7.777.77777777777777777777777.7" , "7777777.777777777777.7..777.77.7777..77777.77777.77777777.777.77.7" , "77777.7.7777777777777777777777777777.7.77.77777.77777777..777777.7" , ".7777777777777....77.77777777777.77.7777777777.77.7.777.7777777777" , "77777777777777.77777777.7777777777..77777777777..777.777777.777.77" , "777777.777.7.777777.77..7777777777777777777.777777777.77777777777." , "777777.77777777777.7777777...7777777777777777777.77.777747777.7.77" , "77.7777.77777777.7777777777...77.777..7777777777777777777777...7.7" , ".7777777774.77.777777.7..7777.777777777..77777.77.777777777.7777.7" , ".77777777..77.7777..777777.7777.77.7777777.77777..77.7777777777777" , "77777777...777777.77777.77.77777.7.777777777777.7777.777777777.777" , "7.7.7.77777.777777777777777777.77.7777.777..7..777777777.777777777" }

    Returns: 29307

  182. { "777777..7.7.77777..77777.77.77.777777.77777777777477777777.777.777" , "77.77777.7777777.777777777777.7777777777.7777777777777777.7.77.7.7" , "777777777.7777777.777.777.7.7777777.7777777777.77..77777777777777." , "77777777.7777777777777.4.777..777..7777.7.7777777.7777777777777777" , "77777777777777.777.77.7.777777777....777.777777.77.77..77777777777" , "77777.7777777.77777777777777777.7777777..7777777777.7.77777..77.7." , "77777.77777.77777.7777777.777.7777..777.7777777777.77777.7.7.77.77" , ".7777777777777777777777..7.7777777.7777777.77..77777777.7777777777" , "7.7.777777777777.777777.7777...777777777777.77...77777..7.77777777" , ".777777777.77777777.77777.77777.777777.777777777.7.7777.7777.7777." , "7..77777777777777777.77777777777777777.7777777.7777777..777777..77" , "7.7.777777.7..7777777777..7777777777777.7777.7.77.77.7777777777.7." , "..7777777777777.77777.777.77777.7777.777777777.77777.77777777777.7" , "777777..777777.774777.7.777.7777777777777.77777777.777777777777777" , "77777777.77.777.77777777.7777.77.7.77777.77777777.7777.7777777.777" , "7777..777.77.7.777.77.77777.7777777777777.777777777...7777.7777777" , "77.77777777777.7777.77.7.7777777..777.7777.77.777777.777..7.777777" , "777777.7777777777.777.77777.77.777.77777777.77777..777777777777777" , "7..77777.7777..7777777..7777.77..777777777777.77777.7777777.777777" , "..7777777.777.77.777777777777..7777777.777777777777.7777777.77777." , "77777777.77.77777777.777777777777777747.77.7777777.7.777..77777.77" , "7777777..777777777777.77777777777777..777.777477777777777777.77777" , ".77.77777777.77.7777777.777.7777..77777777777777777777777777777777" , ".777777777777...7777777.77777777777.7777.77777.777.7777.7777.77777" , "77777.777777..77777777.7777777.7777777.77777777777777.77.777.7..77" , "7777777777777777.7.77777.77777777.777.77777..7777777777777.7777777" , ".777.777777777777.777.77.777.7...7777777777..777.777.7777777777777" , ".7777777.77777777777777.777.77...7...777777.777777777777.7777777.." , ".777777.777..777777777777.777777777.77.777.777777777777777777..7.7" , "77777.7777777777.777.7.7777777.777.77.777.777.77777777777777777777" , "7777..77777777.7777.7777777777777777777777777777..777.7.77..777777" , "777777777.777.77777.77.7777777777.7..777777777...7777777777777..77" , "7.7.77777777777.7777777.777.777777777777.7777777777777777.7777.77." , "77777.777.777.7.77.777777777777.77777.7.7777777...77.7777777777777" , "77.777777777777.7.77777.777777777..77..77.777777.7777777.77.77777." , "777777777..77777.7.7777.7777777777777..7.7777777..777777.77..7.777" , ".777777777.777777777777.7777777..7.7777.777777777.7777777777777777" , "77777.777.777777777..7.77777.777777777.77777.7..777777777.7777777." , "777777777.777..77777.7777..777777.7777777.777777.7777777.777777777" , "77.77777777777.7.7777777.7777777.77777.7777777.777.777777777777777" , "777777777.77777.777777777777777777.777777.7777.77777.7.7.777777777" , "777777...77777777777777..777.777777777777.77777.7777777...7..77.77" , ".7777.77777777.77777777.7777777..77777.77..7777.77777777.7777.7777" , "7777.777..777777777777777777.77777777777.77777.7777777777777.7777." , "77777.777777777777.77.77777.77777777..7777777777777.7..777.7777.77" , "7.77777777.777777.77..7.7..7777777.7.777.777777777777777777.777777" , "77.7777.7777.777777777777777.777777777..777777777777777777777..77." , "777.7.777.7.7777.777.7.77.77774.7777777777777.7777.777.77777777777" , "777777.7.777777.77777777777777.777.777.777777777777777.7777777777." , "77777.777777777.7777.7..777....7777777777777777.77777777.7.777.777" , "777..7777777.777777.7..7.7777777.7777777.77777777.77777777.7777.77" , "7.7.77.777777777777.777777.77..77.77.77777777777777777777777.77777" , "7.7777777777.77777777.7777.77777.777.7777.77..77777777777.77777777" , "77777777777.7777.777.7777777.77.777.77.777.77777.77777777777777.77" , "7.77..777.7777777777777777.7..77777777777777777.7.7777777..777.777" , "77.77777777.7777777777777.7777.777777.7.7777.777.7777777777777..77" , "777777777.7.77777777.7777777777777777.77..77.77.7.7777.7.77777.777" , "777.777777..777.777777777777.7777777777.7.7777..777777.777.7777777" , "77777777.7777.777777.7.7777...77777.777777.77.7777777777777.777777" , ".7.7.7.7.77777777..7.77.777.7.7777777777777777777777777.777.77777." , ".777.77777.7777...77777777.7777.7777.777777777.7777777.77..7777777" , "777777777..7777.77.777777..7777.777.77777777777777777777..77777777" , "777777.77.7.777777777777777.77777.77..7.7777.777777777777.77777777" , "7777777777..7777777777..7.77777.77777777.7.77..7777.7.7.77777.7777" , "77.77777777.777777...77777777777..777.777.777.77777777777777.77777" , "777777777777777.777.777.7777777.77777777.777777..7777..77777777777" }

    Returns: -1

  183. { "7777777.77.7777777777.777777777777777.7777777777777777.77.777.777." , "777...7777.777.77.777.77777777777777777.77777777777777777777777.77" , "7777777.77777777777..7777777777777.777..7..7.77.777777777..77777.7" , "7777777777..77.77.777777.7.77777777.7.77777.7774777.77777777777777" , "777.77.77777.77..777777777777.7.7.77777777.7777..77777777777777.77" , "7.777777777777777.77777.7.77.77.7777.777.77777.7777777.747..77.777" , ".7777..7777777.777..7777777.777.77.7777777777777777777777.77777.77" , "77777777.777777777..7..7777777.77777777.777.7.7777.777777.77777777" , ".7777.7777.77..7.777777.777.7777777777.7777..7777777.777777777.7.7" , "77777777..7777..77.77777..7777777.7.77.7777.7777777777777777..7.77" , "77777.7.77.7.777.777747777777777777..77777777777777.777.777.777..7" , "77..7777777747.77777.77777777..77777..77777...7777777.7777777777.7" , "777777777..7777777.777777777.777.7777777.777.7777777.777777.777777" , "777777777777777774777777.77777777777.777.77.7777777.77.777777.777." , "7777..777777.77777..7777777.777777777.7..7777777777777777777777777" , "77...7..77777777777..7777777.7.777.77.7.77777777777.7777777777.777" , "77.7777.7777.7777777777.7.77777777777.777777....77777.777777777777" , "7.777777777.77777777777777747777777777.77777.7777.777777.7.7777777" , "77...7777..77777.7777.777777777777.747777..777777777.77777..777777" , "7.777..7777777.777.7.777.777777777777777777.7777777.77777.7777777." , "77777777777777777777777.777.777777777...7.77..7.7777.77777777777.7" , "77..7.77777777777.7.7777..77777.7.77777.7777777777777..777777.7777" , "77...7777777.77777777.777.7.7777.777777777777777..777.7777.7777777" , "7777777777.77777.777777.777777777..7.77.777777777777777777777777.7" , "7777777777777777777777777777777777.777.7777.7.7.77777.7777.777777." , "7777.777.77.77777777777..777.7777777777777.777.7777777777.77.777.7" , "777.7777777777.7.7.77.777777.7.7.777.77.77777777777777.77777777777" , "777777777777..77777.777777777.77.77777777.77777777777.777.7.777777" , "7..777..777777777777.77.7777777.77777..7777777777777.777777777.7.7" , "77.77...77777777777.777777777.77.77777777777777.77.77.7777.777777." , "777777777777.777.7777.77777777777777777777777..777.777.77.77777777" , "777777.7777.777777777.7.777.77777.77777777..77777.777.7777777777.7" , ".7777777777777777.77777777777777..77.777.777777.77.77.7777.7.7777." , "...7777777777777777777777.7777777777777777777.7.7777777777.77.77.7" , "777777.7.777777.777777..7777777777777777.7777777777777777777.7.777" , "77777777777.77777777.7777.777777.77.77.777777.7.777777777.77.77777" , "77777777.7.77777777777777777.7777777777777777.7777..777777.777.77." , "77777777..777777.77..77..777.7.777.7.77777777777.77777.7.777777777" , "77.7.7777.77.7.7774777777777777777.777.7777777777777.7777777777777" , "77.777777..777777777777777777777777777777777.77777777..777.777777." , "77.77777.7777.7.7777.7.7777777..7777.77.77777.77.77777777.7.777777" , "77777.777.77.77..7777.77.7.7.777.7777777777.7777..7777.77777777777" , ".777.777.77777.77777777.7..77777.7777777777777.7777777.77777777777" , "77777.777777777777.7.77777777.7777777777.7....777774777.7777.77777" , "77777777.77...777777777777777777777777.7777777.77777777.77.77.7777" , "7777.77777.777.77..7777.7.7777.777..7777777777.7777.777.777777.777" , "777..777777777.777777.77777777777..777777.7..77.77.777777777777..7" , "..7777..77777777.7777777.777.777777777777777777777777.774.777.7777" , ".7777777..777777.777777.777.777777777777.7.7.77..777777777777.7777" , "777..7....7.77.777.777777777.7777777777.7777.7777777777.777777777." , "777777.777..7777.77777777777.77.77777.7777777777777777.7.777777777" , ".777777777.777.7.7..777777.777777777.777.777777777777777777777777." , "77.77.7.777777.77777..77777.7777777.7777.77777..77.7777.77.7777777" , "777.7777777777..77.777777777.7777777..77.77..77777777.7.77.777777." , ".777.777.77777..777777..7777777..77777777777777..7.7777.777777777." , "7777777.7.7777777.77.7777777777777..7777777777.77.777..77777777.7." , "777777.777777777777.7777777.777.77777.7.77777.777.7777777777777777" , "77.77.777...77777777777.777777.777.77.777777777777.777777777777777" , "77777777.77777.777.7.777777777.7777.77.7.7777.77777..7.77777777777" , "7777.777777777.7777777.7777777.7777..777.77.777777777777.7.77777.." , "7777.7777...77..7777777777777777777...7777.7.7777.777.7777.7777777" , "7.7777.77777.7..7.777777777..7777777777777777777..777.77777777.777" , "7.77.777777777777.77777.7777777.77.7.7.7.777.7777.777777.777.77777" , "777.7..7777.77777777777.7777.777..77.7777777.77.777.7777..77777777" , "77.7777.77777777.7777.7777.77.77777.77..777777777777.7777.777777.7" , ".7777777.77..77777777777777777777.77777777777..7.777.777777777777." }

    Returns: -1

  184. { "77.7.77777777777777777777.77.7777.7.777777777777.7..7777.7.7.77777" , "7777.77777.77.7.7.7777.77777777777777777777....77777777.77777777.7" , "77777.7777777.7..77.7.777777.7777777.777777777.777777.77..7.777.77" , "77.7.7777777777777.777.7.77777777.7777777.777777777.7777777777..77" , ".77777777.7777.77777777777777777777.7.77777777.7.777.7.777.77.7.77" , "777.7777777777777.7777.7777777777.777777.777777777.777.777.7.77777" , "7777777777777777777777777777777.777777.777.777..7..7777.7.77777777" , "7777777777777777.77.77777777..77777.77.77777...7777777.7.777777777" , "7.777777777777777.77777777.7.7777.7.777..777777.777777..777777.77." , "777777.777.77777777777777777777777777.777.7.777777777.777.7777777." , "7.7..7.77777777777777777.777777.7777777777.7777..7.7777777777777.7" , "77777.777.77.7.777..7.777777.7777777..777777.7777..77777777.777777" , "..777777777777.7777.7777777777777777777.77.77777777777777.7777777." , "7.77777777777..7777.7.77.777777.77777777777.7777777777.77.77.77.77" , "77777.777.77.777.77...77.777777.7777777777777.7.77777777777777.7.7" , "77.77777.77777777..7.7.7.7.777.77777777.7777777777777777777.777777" , ".7777777...7777.77.777777477777.777777.77777777777..777.77.7.77777" , "777777777.77777.77777777777.7.4777.777777.7.7777.777777777777.7777" , "7777777.77777..77.7777.77777777777.7.7.777777.77.77777777777777777" , "777..77777.7.77777777.7777777777777..77777777..777..77777777.77777" , "77777.7747777777777777777.7.777.77.7777.7.777.7777777777.7.7.77777" , "7777.7777.77777.7..77777777.7777777777.77777777.777.777.77.7777777" , ".7.7.77.777.7.7777.777777..77777.7.7777777777777777777.777777777.7" , ".7777.7777.777777777777777777777.777777777777.7..7.77747.777777777" , "7777777777..7777.777777777777777...7..777777777777777777.77.777777" , "7.7.77777..777.7777777777777.7..777..7777.777777.777.77777.7777777" , ".7.7777.77.7.7777777.7.777777.77777777777777.77.777777777777.7777." , "7777.7777777777777777777777.77777777777777.7747..777777.77777.7777" , "77777.777777777777.7777.777..7777.7777.7.77777777...77.7777777.7.7" , "777.7..77.77.77777777.7777.777.7777.777.777777..777.777777.7777777" , "7777.7.777777.777777777777777.777.77.77..7777..77777777.77777..777" , ".7.777777..777777.77.777.777777.77.7.77777777777777777777777777777" , "7777..7.777777777777777..7.777777..77.777777777777777.777777777777" , "77.77.7.77777.777777.7777777777777777777777.777777.777.777.7..7777" , "7777777777.777777777777.77.77.7.7.7747.777777777777.77777777..7777" , "7.77777.77.77777777777.7777777.777777777777777.777.777777.7.777777" , ".77777777777777.7777.777.7.77.77.77..77777777.7777777.77.777777.77" , "77777.777.777.7.777.77777777777777777777777777.777777777.77.777777" , "7777777777.777777.777777.77.7.777.7777777.77777.777777777777.7.777" , "7.7777777777777777.7.77777..7.7777777777777777777.77.77777777.77.." , "7.77777.77777..777.77777777..777.7.77777777777777.77.7.7.77777.777" , "777.7777...77777777777777777.77777.7.77777777777777.7777777777.777" , "7.777777777777.77777777777777.77777777.7.777777.77.7777.777777.777" , "777777.7.777777777.77.77.7.77777777.777777.77777.77.7777777.77.777" , "777.77777777777777.77777..7.7777777777.777777.77777777.7.77.77777." , "777.7.77777.777777777777777.7777777777777...7.777.77..777777777777" , ".7777.777.77777.777777.77777777777777777.77777.777777777777.777777" , "7.7.77777.77.777..7777..7.7777777777777.777777777777777.77777.7777" , "7.77777777777.7.7777.77.777777777777..7.77.777777.77777.7.7..77777" , "7777777.777777777777..7.7777..77..7.7.7777777777777777.7.777777777" , "777777777.7777777777777777..777..777..777.777..777.7777..777777.77" , "777777..77777.77.7777.77.7.7.77777777777777777777777777777777.7777" , "77..77.77777777.777777777777.7777777.77.777..77777777.777777.777.7" , "77777.7.777777..777777777777777777.7777.77777.7777.77777777777..77" , "7.7.7777.7777777.777.777777777777777.77777777..4..7.777777.77777.7" , "77777777.7777.77777777.77777777....77.777.7.777777777.77777.7777.7" , "777777777777777.7777.77777777777.77.7777477.77777777.7777.77777777" , "7.77.777777..7.77.777777.777777777777.777.77777777..777777.777777." , "777777777777777777.7777.777.7.7777.77777777..77777777.77..777.777." , "77.7777777.77.77777777777777777.7777777777...777.7.777777777.7.7.7" , "777..777777.7.777.7777777.7.7.7.7.7..7777777777777777.7777777777.7" , "777..77777777777777777777777777.7777..777777777777.7777...7777.77." , "777777.77777777777777747.77.777..7777777.7.77.777777777777.7..7.77" , "77777..777777.77.777.777777777..777.7.7777777777777.777777..7777.7" , "777.7777777777777.77..777777777.777.7777..777.7777777777.777777777" , "7.7.77.777.7777777777777.77.77777777.777777777777.7.777777.777.777" }

    Returns: 29307

  185. {"......7....", "......7....", "......7....", "...........", "...........", "......7....", "......7....", "......7....", "77777777777", "......7....", "......7...."};

    Returns: 544

  186. {"......7....", "......7....", "......7....", "......4....", "...........", "......7....", "......7....", "......7....", "77777777777", "......7....", "......7...."};

    Returns: 544

  187. {"......7....", "......7....", "......7....", "......4....", "......4....", "......7....", "......7....", "......7....", "77777777777", "......7....", "......7...."};

    Returns: -1

  188. {"......7....", "......7....", "..7...7....", "......7....", "......7....", "......7....", "......7....", "......7....", "77777777777", "......7....", "......7...."};

    Returns: 790

  189. {"......7....", "......7....", "..7........", "......7....", "......7....", "......7....", "......7....", "......7....", "77.77777777", "......7....", "......7...."};

    Returns: 544

  190. {"......7....", "......7....", "..7...4....", "......7....", "......7....", "......7....", "......7....", "......7....", "77477777777", "......7....", "......7...."};

    Returns: 544

  191. {"......7....", "......7....", "..7........", "......7....", "......7....", "......7....", "......7....", "......7....", "77.777.7777", "......7....", "......7...."};

    Returns: 544

  192. {"......7....", "......7....", "..7......7.", "......7....", "......7....", "......7....", "......7....", "......7....", "77.777.7777", "......7....", "......7...."};

    Returns: 787

  193. {"......7....", "......7....", "..7........", "......7....", "......7....", ".........7.", "......7....", "......7....", "77.777.7777", "......7....", "......7...."};

    Returns: 787

  194. {"...........", "...........", "777777.7777", "...........", "...........", "...7.......", "...........", "...........", "...........", "...........", "..........."};

    Returns: 541

  195. {"...........", "...........", "777777.7777", "......7....", "...........", "...........", "...........", "...........", "...........", "...........", "..........."};

    Returns: 517

  196. {"...........", "...........", "44444444444", "...........", "...........", "...........", ".....77....", ".....77....", "...........", "...........", "..........."};

    Returns: 784

  197. {"...........", "...........", "44444444444", "...........", "........7..", "...........", ".....7.....", ".....7.....", "...........", "........7..", "..........."};

    Returns: 784

  198. {"...........", "...........", "44.........", "...........", "........7..", "...........", ".....7.....", ".....7.....", "...........", "........7..", "..........."};

    Returns: 784

  199. {"...........", "...........", "447........", "...........", "........7..", "...........", ".....7.....", ".....7.....", "...........", "........7..", "..........."};

    Returns: 787

  200. {".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", ".................", "................." }

    Returns: 1258

  201. {"74444444444", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777" }

    Returns: 787

  202. {"777........", "777........", "777........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "..........." }

    Returns: 784

  203. {"...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", "...........", ".........77", ".........77" }

    Returns: 784

  204. {"44444444444", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777", "47777777777" }

    Returns: 784

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