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42 3 42 4 42 5 42 6 42 7 42 8 42 9 43 0 43 1 43 2 43 3 1890 1889 1888 1887 1886 1885 1884 1883 1882 1881

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