Hey,
You guys need to look into the number of tracking cookies associated with this site. From a clean reboot I get between 15 -22 T C's.
Solitaire
What are cookies?
stencil: What are cookies?
http://en.wikipedia.org/wiki/HTTP_cookie
I keep only the WGT adobe flash cookies. They contain your personal preferences for the game. As for the remaining HTTP cookies those can be deleted.
I clear my caches when I start and when I finish.