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12 27 12 28 12 29 12 30 12 31 12 32 12 33 12 34 12 35 12 36 12 37 12 38 12 39 12 40 12 41 12 42 1910 1909 1908 1907 1906 1905 1904 1903 1902 1901 1900 1899 1898 1897 1896

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