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56 02 56 03 56 04 56 05 56 06 56 07 56 08 56 09 56 10 56 11 56 12 56 13 56 14 56 15 56 16 56 17 58516 58515 58514 58513 58512 58511 58510 58509 58508 58507 58506 58505 58504 58503 58502

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