semiperfect magic cube
In mathematics, a semiperfect magic cube is a magic cube that is not a perfect magic cube, i.e., a magic cube for which the cross section diagonals do not necessarily sum up to the cube's magic constant.
References
- {{citation|title=The Zen of Magic Squares, Circles, and Stars: An Exhibition of Surprising Structures across Dimensions|first=Clifford A.|last=Pickover|authorlink=Clifford A. Pickover|publisher=Princeton University Press|year=2003|page=98|isbn=1400841518 |url=https://books.google.com/books?id=-mu8O8RMG6QC&pg=PA98}}.
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