回复:It should be the same as calculate the ranks of two matrix to

rank-------------------皆兄弟的分类五

(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

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