1
 /left  1994 def
 /right 2015 def

 /top 25 def
 /bottom -25 def

 /aa 27 def
 /bb  3 def
 /bb  6 def

% zoom in of CAS1
%/left 2005 def
%/right 2013 def
%/aa 66 def

 /left  2002 def
 /aa 34 def