This might help: http://www.mathpuzzle.com/leapers.htm As you can see from those...

randomwalker on Sept 15, 2009 | parent | context | favorite | on: Lambda the Ultimate on "Coders at Work"

This might help: http://www.mathpuzzle.com/leapers.htm

As you can see from those examples, a symmetric tour is a rather regular-looking object; a random tour has an extremely low probability of being symmetric.

mhansen on Sept 15, 2009 [–]

Ah, thank you!