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48 1 48 2 48 3 48 4 48 5 48 6 48 7 48 8 48 9 49 0 49 1 2191 2190 2189 2188 2187 2186 2185 2184 2183 2182

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