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56 02 56 03 56 04 56 05 56 06 56 07 56 08 56 09 56 10 56 11 56 12 9745 9744 9743 9742 9741 9740 9739 9738 9737 9736

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