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57 2 57 3 57 4 57 5 57 6 57 7 57 8 57 9 58 0 58 1 58 2 2146 2145 2144 2143 2142 2141 2140 2139 2138 2137

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