For the record game 11982 is the only game that is not winnable. Dave Ring's Internet FreeCell Project involving over a 100 researchers and using at least five different programs has spent 1,000s of
manhours looking for a solution and have yet to find one.
Also games -2, -1 can not be solved but they are
Easter Eggs and not real games.
For more then you would ever want to know about Freecell check out:
http://members.aol.com/wgreview/freecell.html