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38 44 4 38 44 5 38 44 6 38 44 7 38 44 8 38 44 9 38 45 0 38 45 1 38 45 2 38 45 3 38 45 4 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989

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