How did seventeen mahjong tables come about?

The expression "Seventeen Mahjong Tables" is because four members of the Seventeenth Congress, Kuiba, Youyou, Junba and You Min, can form a mahjong table for four, and any two of them can knock on the CP, and any two of them can also have proof. In addition, because the relationship between the seventeen members is also very good, there is no big quarrel, and everyone will not have conflicts with any member. The atmosphere in the group is excellent and there are few fans, so this group is called mahjong table CP.