Survo puzzles: www.survo.fi/puzzles --------------------------------------- Copyright (c) Survo Systems 2006-2007 The easiest way to solve these three problems may be using a new Java Applet http://www.survo.fi/swap/puzzles.html based on the swapping method. Survo puzzle 102/2008 (130) #343-1234 A B C D 1 * * * * 25 2 * * * * 33 3 * * * * 20 14 8 33 23 Survo puzzle 103/2008 (150) #444-81842 A B C D 1 * * * * 14 2 * * * 9 41 3 4 * * * 27 4 * * * * 54 23 51 33 29 Survo puzzle 104/2008 (1900) #544-54990 A B C D 1 4 * * * 49 2 * * * * 36 3 * * * * 24 4 * * * 18 44 5 * * * * 57 17 45 64 84