First, seven teams are listed as 1, 2, 3, 4, 5, 6, 7! First, the first round of bye is 1, then 2-3, 4-5, 6-7, and the second round of bye is 2. The results and arrangements are analogized in turn. Seven teams played six games each, and then got the top four with good results. If there is the same result, first compare their winning and losing relationship. If there are more than two teams with the same score, it can be considered that the net victory determines who will advance, and it can also increase the intensity of the game! After entering the rematch, you can play according to the first place!