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12 89 12 90 12 91 12 92 12 93 12 94 12 95 12 96 12 97 12 98 12 99 1889 1888 1887 1886 1885 1884 1883 1882 1881 1880

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