e/Diagonal magic cube

Information
has gloss	eng: A Diagonal Magic Cube is an improvement over the simple magic cube. It is the second of six magic cube classes when ranked by the number of lines summing correctly.
lexicalization	eng: diagonal magic cube
instance of	(noun) a square matrix of n rows and columns; the first n^2 integers are arranged in the cells of the matrix in such a way that the sum of any row or column or diagonal is the same magic square