Please refer to the following competition process:
1.38 19.
2. 19 10 (bye-bye for drawing lots)
3. 10 choose 5
4.5 Choose 3 (draw lots for one person. Bye-bye)
5.3 Choose 2 (draw lots for one person).
6. Champion
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If it doesn't make sense ...
When choosing 3 out of 5, the eliminated two people play a game or a game, and the winner is the last top 4.
Or choose 5 out of 10, the eliminated 5 people draw lots or play games, and 3 people become the top 8.
It should be fair to continue like this.