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28 02 28 03 28 04 28 05 28 06 28 07 28 08 28 09 28 10 28 11 28 12 28 13 28 14 28 15 28 16 28 17 58327 58326 58325 58324 58323 58322 58321 58320 58319 58318 58317 58316 58315 58314 58313

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