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90 3 90 4 90 5 90 6 90 7 90 8 90 9 91 0 91 1 91 2 91 3 2277 2276 2275 2274 2273 2272 2271 2270 2269 2268

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