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64 7 64 8 64 9 65 0 65 1 65 2 65 3 65 4 65 5 65 6 65 7 65 8 65 9 66 0 66 1 66 2 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