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 288/2012 (670) #353-93304 A B C D E 1 * * * * * 33 2 * * * * * 39 3 * * * * * 48 32 13 42 25 8 Survo puzzle 289/2012 (320) #353-10706 A B C D E 1 * * * * * 23 2 * * * * * 64 3 * * * * * 33 14 35 19 23 29 Survo puzzle 290/2012 (4400) #363-95581 A B C D E F 1 * * * * * * 36 2 * * * * * * 76 3 * * * * * * 59 44 39 31 35 13 9