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40 5 40 6 40 7 40 8 40 9 41 0 41 1 41 2 41 3 41 4 41 5 2181 2180 2179 2178 2177 2176 2175 2174 2173 2172

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