/kloc-how to arrange the basketball match of class 0/4?

Divide into three groups (two groups of five teams, one group of four teams). Let's play a round robin, with five teams in the top three and four teams in the top two. So the top eight came into being. In the quarter-finals, the first place in each group will be separated from the best second place to strive for the excitement of the following games. Next, the winner enters the semi-finals, and the rest of the schedule is simple!