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46 7 46 8 46 9 47 0 47 1 47 2 47 3 47 4 47 5 47 6 47 7 47 8 47 9 48 0 48 1 48 2 1871 1870 1869 1868 1867 1866 1865 1864 1863 1862 1861 1860 1859 1858 1857

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