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80 6 80 7 80 8 80 9 81 0 81 1 81 2 81 3 81 4 81 5 81 6 2180 2179 2178 2177 2176 2175 2174 2173 2172 2171

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