Nob's Dozen


by Nob Yoshigahara

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A 3x4 grid contains twelve numbers from 1 though 12 in it - a number per cell. This is shown in the diagram.

Divide this grid strictly along its lines only into two parts so that the total sum of the numbers in one part equals the total sum of the numbers in another.

Posted: December 6, 2009
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26 - 63 = 1   Nob's Number Tree
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