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49 79 6 49 79 7 49 79 8 49 79 9 49 80 0 49 80 1 49 80 2 49 80 3 49 80 4 49 80 5 49 80 6 20006 20005 20004 20003 20002 20001 20000 19999 19998 19997

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