>To understand the details you'll need to know about group theory. I wrote up an algorithm to swap the minds back, and then proved its correctness, and its run

>To understand the details you'll need to know about group theory. I wrote up an algorithm to swap the minds back, and then proved its correctness, and its running time. It might be more understandable than the group theory proof. It's in a comment thread on reddit: http://www.reddit.com/r/math/comments/d3ar3/tonights_futurama_episode_featured_the_reordering/c0x91ht http://www.reddit.com/r/math/comments/d3ar3/tonights_futuram...