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43 8 43 9 44 0 44 1 44 2 44 3 44 4 44 5 44 6 44 7 44 8 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977

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