Survo puzzles: www.survo.fi/puzzles --------------------------------------- Copyright (c) Survo Systems 2006-2012 The easiest way to solve these three problems may be using a Java Applet http://www.survo.fi/swap/puzzles.html based on the swapping method. Survo puzzle 270/2012 (350) #353-25548 A B C D E 1 * * * * * 29 2 * 12 * * * 42 3 * * * * * 49 22 34 17 40 _7 Survo puzzle 271/2012 (560) #353-72818 A B C D E 1 * * * * * 42 2 * * * * * 58 3 * * * * * 20 29 24 21 10 36 Survo puzzle 272/2012 (5400) #363-37026 A B C D E F 1 * * * * * * 45 2 * * * * * * 56 3 * * * * * * 70 _8 26 39 35 50 13