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42 6 42 7 42 8 42 9 43 0 43 1 43 2 43 3 43 4 43 5 43 6 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978

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