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70 3 70 4 70 5 70 6 70 7 70 8 70 9 71 0 71 1 71 2 71 3 2241 2240 2239 2238 2237 2236 2235 2234 2233 2232

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