Survo puzzles: www.survo.fi/puzzles --------------------------------------- Copyright (c) Survo Systems 2006-2008 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 129/2008 (30) #342-2 A B C D 1 * * * * 21 2 * 3 12 * 30 3 * * * * 27 25 6 32 15 Survo puzzle 130/2008 (500) #353-53264 A B C D E 1 * * * * * 33 2 * * * * * 38 3 * * * * * 49 42 31 6 24 17 Survo puzzle 131/2008 (1000) #364-36680 A B C D E F 1 3 * * * * * 28 2 * * * * * * 53 3 * * * * * * 90 26 42 22 16 29 36