The knight can visit each square on a chess board exactly once.

Geege Schuman stashed this in Mathy

Source: http://twentytwowords.com/the-knight-can-visit-each-square-on-a-chess-board-exactly-once/

<p><a rel="nofollow" target="_blank" href="http://twentytwowords.com/the-knight-can-visit-each-square-on-a-chess-board-exactly-once/"><img src="//img.pandawhale.com/post-67223-knight-can-visit-each-square-o-hZnV.gif" alt="knight can visit each square on a chess board exactly once | 22 Words" /></a></p> <p>Source: <a rel="nofollow" target="_blank" href="http://twentytwowords.com/the-knight-can-visit-each-square-on-a-chess-board-exactly-once/">http://twentytwowords.com/the-knight-can-visit-each-square-on-a-chess-board-exactly-once/</a></p>

Geege Schuman
9:45 AM Sep 13 2015

Woah. That's spectacular and mesmerizing!

<p>Woah. That's spectacular and mesmerizing!</p>

Adam Rifkin
12:30 PM Sep 13 2015