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49 77 6 49 77 7 49 77 8 49 77 9 49 78 0 49 78 1 49 78 2 49 78 3 49 78 4 49 78 5 49 78 6 20006 20005 20004 20003 20002 20001 20000 19999 19998 19997

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