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17 33 17 34 17 35 17 36 17 37 17 38 17 39 17 40 17 41 17 42 17 43 17 44 17 45 17 46 17 47 17 48 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992

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