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56 5 56 6 56 7 56 8 56 9 57 0 57 1 57 2 57 3 57 4 57 5 57 6 57 7 57 8 57 9 58 0 2272 2271 2270 2269 2268 2267 2266 2265 2264 2263 2262 2261 2260 2259 2258

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