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16 72 16 73 16 74 16 75 16 76 16 77 16 78 16 79 16 80 16 81 16 82 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999

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