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38 44 5 38 44 6 38 44 7 38 44 8 38 44 9 38 45 0 38 45 1 38 45 2 38 45 3 38 45 4 38 45 5 38 45 6 38 45 7 38 45 8 38 45 9 38 46 0 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974

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