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This picture "A possible placement for the three 1×1×3 blocks." seems to be wrong as it violates the rule in the article which states "the three 1 × 1 × 3 blocks need to be placed so that precisely one of them appears in each 5 × 5 × 1 slice of the cube" while in the picture two pieces which are further away from the pov appear on the same 5 × 5 × 1 slice. Constantine lisiy (talk) 11:47, 13 October 2010 (UTC)[reply]
This perception seems to be an unfortunate side-effect of a poorly chosen perspective. If packed as shown, with the corners just touching, there is no slice containing a part of more than one of the three blocks. — Quondum16:04, 10 November 2012 (UTC)[reply]