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88 8 88 9 89 0 89 1 89 2 89 3 89 4 89 5 89 6 89 7 89 8 1907 1906 1905 1904 1903 1902 1901 1900 1899 1898

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