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38 41 8 38 41 9 38 42 0 38 42 1 38 42 2 38 42 3 38 42 4 38 42 5 38 42 6 38 42 7 38 42 8 38 42 9 38 43 0 38 43 1 38 43 2 38 43 3 38 43 4 38 43 5 38 43 6 38 43 7 38 43 8 38 43 9 38 44 0 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971

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