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12 82 12 83 12 84 12 85 12 86 12 87 12 88 12 89 12 90 12 91 12 92 2181 2180 2179 2178 2177 2176 2175 2174 2173 2172

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