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56 7 56 8 56 9 57 0 57 1 57 2 57 3 57 4 57 5 57 6 57 7 2166 2165 2164 2163 2162 2161 2160 2159 2158 2157

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