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3-d grid hunting (Posted on 2004-03-25) Difficulty: 2 of 5
Find two regular tetrahedra that share a face placed in a way such that each vertex has integer coordinates.

See The Solution Submitted by Tristan    
Rating: 3.1667 (6 votes)

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re: Solution | Comment 3 of 7 |
(In reply to Solution by e.g.)

That is SK's solution scaled by 1/4.

  Posted by Thalamus on 2004-03-25 15:29:15

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