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 162/2009 (400) #353-66530 A B C D E 1 * * * * * 56 2 5 * * * * 28 3 * * * * * 36 21 16 40 11 32 Survo puzzle 163/2009 (7000) #453-99642 A B C D E 1 17 * * * * 66 2 * * * * * 58 3 * * * * * 50 4 * * * * * 36 58 69 26 11 46 Survo puzzle 164/2009 (3000) #453-78482 A B C D E 1 * * * * * 19 2 20 * * * * 81 3 * * 12 * * 65 4 * * * * * 45 56 19 37 52 46