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37 03 37 04 37 05 37 06 37 07 37 08 37 09 37 10 37 11 37 12 37 13 37 14 37 15 37 16 37 17 37 18 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993

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