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76 7 76 8 76 9 77 0 77 1 77 2 77 3 77 4 77 5 77 6 77 7 1875 1874 1873 1872 1871 1870 1869 1868 1867 1866

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