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58 2 58 3 58 4 58 5 58 6 58 7 58 8 58 9 59 0 59 1 59 2 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993

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