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48 4 48 5 48 6 48 7 48 8 48 9 49 0 49 1 49 2 49 3 49 4 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990

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