Knight's Tour
The knight's tour and magic knight's tour.
The first magic tour has an error (my fault in animation) with 62 and 64 transposed....
See here: http://periodicvideos.blogspot.co.uk/2014/01/oops.html
Brown papers: http://bit.ly/brownpapers
Some good knight's tour links:
Great overview by Ben Hill and Kevin Tostado: http://bit.ly/1hYHoLE
Notes and huge resource by George Jelliss: http://bit.ly/1kCGGWp
Paper on using "ants" to find knight's tours: http://bit.ly/1cqxcUd
Good stuff on Magic Knight's Tours: http://bit.ly/1apxScE
On the number of knight's tours: http://bit.ly/Lj4NKh