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72 2 72 3 72 4 72 5 72 6 72 7 72 8 72 9 73 0 73 1 73 2 2269 2268 2267 2266 2265 2264 2263 2262 2261 2260

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