[deviljet88]

No idea where to chuck this but I felt it was kind of cool.

News Article on Puzzles

There are typically nine rings in a classic set of Chinese rings; if a player makes no mistakes, the puzzle requires 341 moves to solve. Mr. Slocum can solve it in three to four minutes.

But on a table next to the Sunday box sat a version with 65 rings. A perfect solution in that case would take 18,446,744,073,709,551,616 moves, Mr. Slocum said. “Assuming one move every second, that would be 56 billion years, or four times the age of the universe,” he said.

Freaky.