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56 5 56 6 56 7 56 8 56 9 57 0 57 1 57 2 57 3 57 4 57 5 2164 2163 2162 2161 2160 2159 2158 2157 2156 2155

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