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12 2 12 3 12 4 12 5 12 6 12 7 12 8 12 9 13 0 13 1 13 2 13 3 13 4 13 5 13 6 13 7 57687 57686 57685 57684 57683 57682 57681 57680 57679 57678 57677 57676 57675 57674 57673

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid