回複:It should be the same as calculate the ranks of two matrix to
rank-------------------皆兄弟的分類五
(3, 3)----------------- 8
(3, 2)----------------- 3 or 6
(3, 1)----------------- 不存在
(2, 2)----------------- 5 or 7
(2, 1)----------------- 1 or 2
(1, 1)----------------- 4