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21 00 0 21 00 1 21 00 2 21 00 3 21 00 4 21 00 5 21 00 6 21 00 7 21 00 8 21 00 9 21 01 0 21 01 1 21 01 2 21 01 3 21 01 4 21 01 5 25677 25676 25675 25674 25673 25672 25671 25670 25669 25668 25667 25666 25665 25664 25663

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