Survo puzzles: www.survo.fi/puzzles
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Copyright (c) Survo Systems 2006-2010

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 210/2010 (70) #343-56170

   A  B  C  D
1  *  *  *  * 17
2  *  *  *  * 22
3  *  *  *  * 39
  23  9 17 29

Survo puzzle 211/2010 (380) #353-10000

   A  B  C  D  E
1  *  *  *  *  * 19
2  *  *  *  *  * 60
3  *  *  *  *  * 41
  23 14 17 35 31

Survo puzzle 212/2010 (700) #363-66624

   A  B  C  D  E  F
1  *  *  *  *  *  * 27
2  9  *  *  *  *  * 58
3  *  *  *  *  *  * 86
  26 35 10 28 32 40