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50 5 50 6 50 7 50 8 50 9 51 0 51 1 51 2 51 3 51 4 51 5 2186 2185 2184 2183 2182 2181 2180 2179 2178 2177

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