There are 1 1 classes participating in the debate. Since there are only a few sessions and you don't want to group by major, how to set up the competition system?

The first round: draw lots, five liners are empty, six classes are left to participate, and there are three games left.

The second round: 3 classes won in the first round+5 classes by bye, 4 games.

Semifinal: 2 wins in Class 4 in the second round.

Final: The two classes that won the semi-final will participate, 1 game.