published on: 2012-03-10 00:18:02
rad or na
horands.tumblr.com/post/19027248840/
horands.tumblr.com/post/19027272912/
horands.tumblr.com/post/19027299749/
horands.tumblr.com/post/19027317618/
The knight can visit every place on a chess board once without