The fairest way is to draw lots, and six teams will be eliminated.
first inning
1. A-B
2.C——D
3. English-French
Second round
4. The winner of the first game-the winner of the second game
The winner of the third game goes straight to the final.
Third round
6. Three or four finalists: losers in the fourth game-losers in the third game.
7. Final: The winner of the fourth game-the winner of the third game