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12 37 12 38 12 39 12 40 12 41 12 42 12 43 12 44 12 45 12 46 12 47 12 48 12 49 12 50 12 51 12 52 2240 2239 2238 2237 2236 2235 2234 2233 2232 2231 2230 2229 2228 2227 2226

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