Group, group A, B, C, D, 4, 3 classes, each group only needs to complete 3 long-term competitions to assign nouns, the first one will be promoted, and then 4 groups will draw lots for the final. 1/2, semi-finals and finals,
Can also be divided into two groups, each team 7, 1 direct promotion, 2, 3 to participate in the resurrection promotion, and then 1/4, 1/2, rematch, finals, only in this way, the number of games increased.
Seek adoption.