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85 8 85 9 86 0 86 1 86 2 86 3 86 4 86 5 86 6 86 7 86 8 1876 1875 1874 1873 1872 1871 1870 1869 1868 1867

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