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65 8 65 9 66 0 66 1 66 2 66 3 66 4 66 5 66 6 66 7 66 8 66 9 67 0 67 1 67 2 67 3 1872 1871 1870 1869 1868 1867 1866 1865 1864 1863 1862 1861 1860 1859 1858

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