Beautiful Designs Made from the Knight's Tour

http://demonstrations.wolfram.com/Bea... The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily. A knight is placed on the empty chessboard and moves according to the rules of chess. For a knight's tour, the knight must visit each square exactly once. In these variants, boards with a wide variety of shapes are used instead of a standard chessboard.... Contributed by: Yuya Kakoi, Naoki Saida, Kazuki Takeshima, Yoshiaki Ohishi, Hiroshi Matsui, Toshiyuki Yamauchi, Takashi Kajimoto, Kanta Yoza, Akihiro Hyogu, Yuta Nakagawa, Naoyuki Totani, Daisuke Minematsu and Ryohei Miyadera