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13 79 13 80 13 81 13 82 13 83 13 84 13 85 13 86 13 87 13 88 13 89 1890 1889 1888 1887 1886 1885 1884 1883 1882 1881

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