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11 9 12 0 12 1 12 2 12 3 12 4 12 5 12 6 12 7 12 8 12 9 13 0 13 1 13 2 13 3 13 4 1915 1914 1913 1912 1911 1910 1909 1908 1907 1906 1905 1904 1903 1902 1901

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