Source: wikibot/semiperfect-magic-cube
= Semiperfect magic cube
{wiki=Semiperfect_magic_cube}
A semiperfect magic cube is a three-dimensional generalization of a magic square. Just like a magic square, a semiperfect magic cube is an arrangement of numbers in a cube where the sums of the numbers in each row, each column, and the two main diagonals are all equal.