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This came from http://www.puzzles.com/PuzzlePlayground/Geometry.htm
The solution to this problem relies on stacking two three-cube answers on top of one another. Arrange three cubes in a plane such that they all touch one another, then make a copy of this orientation with the other three cubes. Now lift one 3-set and place on top of the other 3-set and rotate as required to produce the desired orientation. |
