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81 38 81 39 81 40 81 41 81 42 81 43 81 44 81 45 81 46 81 47 81 48 36150 36149 36148 36147 36146 36145 36144 36143 36142 36141

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