28,18,18,24,13,15,19,13,14,12,8,22,21,23,23,17,分别填在4乘4共16方格中横竖相加之相同
28,18,18,24,13,15,19,13,14,12,8,22,21,23,23,17,分别填在16个大方形格子中,使每一横行,每一坚列的4个数相加得数都相同