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17 82 17 83 17 84 17 85 17 86 17 87 17 88 17 89 17 90 17 91 17 92 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000

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