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52 9 53 0 53 1 53 2 53 3 53 4 53 5 53 6 53 7 53 8 53 9 54 0 54 1 54 2 54 3 54 4 2325 2324 2323 2322 2321 2320 2319 2318 2317 2316 2315 2314 2313 2312 2311

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