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29 0 29 1 29 2 29 3 29 4 29 5 29 6 29 7 29 8 29 9 30 0 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986

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