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52 4 52 5 52 6 52 7 52 8 52 9 53 0 53 1 53 2 53 3 53 4 53 5 53 6 53 7 53 8 53 9 2279 2278 2277 2276 2275 2274 2273 2272 2271 2270 2269 2268 2267 2266 2265

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