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12 87 12 88 12 89 12 90 12 91 12 92 12 93 12 94 12 95 12 96 12 97 12 98 12 99 13 00 13 01 13 02 657 656 655 654 653 652 651 650 649 648 647 646 645 644 643

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