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39 3 39 4 39 5 39 6 39 7 39 8 39 9 40 0 40 1 40 2 40 3 40 4 40 5 40 6 40 7 40 8 874 873 872 871 870 869 868 867 866 865 864 863 862 861 860

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