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42 3 42 4 42 5 42 6 42 7 42 8 42 9 43 0 43 1 43 2 43 3 1871 1870 1869 1868 1867 1866 1865 1864 1863 1862

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