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84 7 84 8 84 9 85 0 85 1 85 2 85 3 85 4 85 5 85 6 85 7 85 8 85 9 86 0 86 1 86 2 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982

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