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64 2 64 3 64 4 64 5 64 6 64 7 64 8 64 9 65 0 65 1 65 2 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986

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