120 football team elimination system

Twenty seed teams only appear in the top 32, which means that 100 teams compete for 12 places.

In the first round of lottery, you will be promoted to team 92, eliminated 8 teams and eliminated 4 teams.

The second round eliminated 96(92+4), eliminated 48, leaving 48.

The third round, 48-24=24.

The fourth round, 24-12 =12;

In the fifth round, the seed team appeared, and the 20+ 12=32, 16 team was eliminated.

The sixth round, the eighth final (16-8).

The seventh round, the quarter-final (8-4).

The eighth round, semi-final (4-2).

The ninth round, the final.