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72 3 72 4 72 5 72 6 72 7 72 8 72 9 73 0 73 1 73 2 73 3 2342 2341 2340 2339 2338 2337 2336 2335 2334 2333

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