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55 02 55 03 55 04 55 05 55 06 55 07 55 08 55 09 55 10 55 11 55 12 55 13 55 14 55 15 55 16 55 17 9877 9876 9875 9874 9873 9872 9871 9870 9869 9868 9867 9866 9865 9864 9863

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