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13 77 13 78 13 79 13 80 13 81 13 82 13 83 13 84 13 85 13 86 13 87 13 88 13 89 13 90 13 91 13 92 1903 1902 1901 1900 1899 1898 1897 1896 1895 1894 1893 1892 1891 1890 1889

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