Deal #186216 is one of only eight confirmed unsolvable FreeCell deals out of the first 1,000,000 numbered games. No legal sequence of moves can solve this board. It has been verified through exhaustive computer search, meaning every possible path has been explored and none lead to a completed foundation.

Despite being unsolvable, many players attempt it as a challenge or to see the board layout for themselves. The other confirmed impossible deals are listed on our famous deals page.