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37 05 37 06 37 07 37 08 37 09 37 10 37 11 37 12 37 13 37 14 37 15 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987

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