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56 6 56 7 56 8 56 9 57 0 57 1 57 2 57 3 57 4 57 5 57 6 2123 2122 2121 2120 2119 2118 2117 2116 2115 2114

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