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
Copyright © 2009 ThinkFun Inc. All Rights Reserved.
Permission is granted for personal use only.
This puzzle may not be duplicated for personal profit.
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Nob's Dozen
Solution
Home / Puzzle Playground / Puzzles / Numbers /
The solution is shown in the illustration.
Posted: December 6, 2009
Copyright © 2009 ThinkFun Inc. All Rights Reserved.
Permission is granted for personal use only.
This puzzle may not be duplicated for personal profit.
Page 2 of 2