Rule of 21 The Rule of 21 applies to 6 x 6 KenKen puzzles.
It states that any row or column must add up to 21 (1+2+3+4+5+6) and therefore conclusions can be drawn from the overlap of cages.
Documentation to follow
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Article created on 21-April-2011. Views: 2512 This page was last modified on 21-April-2011, at 18:18. All text is copyright and for personal use only but may be reproduced with the permission of the author.
Copyright Andrew Stuart @ Syndicated Puzzles Inc, 2011