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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

Article created on 21-April-2011. Views: 19832
This page was last modified on 21-April-2011.
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