http://www.sudokuwiki.org/sudokuX.htm?bd=070000000500000709001000300000000902800000000306000007000200080000000500000138000
http://www.sudokuwiki.org/sudokuX.htm?bd=070400000405000709000000000000046907000000052000001000000200080000000500000318000
Fler roliga problem http://www.conceptispuzzles.com/index.aspx?uri=info/article/424 köpte två kakuroböcker från dem.
http://www.hamsterpaj.net/diskussionsforum/mellan_himmel_och_jord/forumlekar/spel-ligan-ge-och-/sida_2.php