魔方阵是一个古老的智力问题，它要求在一个m×m的矩阵中填入1～m2的数字（m为奇数），使得每一行、每一列、每条对角线的累加和都相等，如图1所示。-Magic square is an old mental problems, it requires to fill in an m × m matrix in figure 1 ~ m2 (m is odd), so that each row, each column and each diagonal are equal cumulative