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41 6 41 7 41 8 41 9 42 0 42 1 42 2 42 3 42 4 42 5 42 6 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986

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