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13 40 13 41 13 42 13 43 13 44 13 45 13 46 13 47 13 48 13 49 13 50 1873 1872 1871 1870 1869 1868 1867 1866 1865 1864

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