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63 6 63 7 63 8 63 9 64 0 64 1 64 2 64 3 64 4 64 5 64 6 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979

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