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41 9 42 0 42 1 42 2 42 3 42 4 42 5 42 6 42 7 42 8 42 9 43 0 43 1 43 2 43 3 43 4 1869 1868 1867 1866 1865 1864 1863 1862 1861 1860 1859 1858 1857 1856 1855

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