Draw lots, single knockout (relatively simple, players will not be too tired)
Team a ~ team l participated in the competition, and team m and team n had a bye.
The first day is the group match.
The first morning.
Site 1 AB
Venue 2 CD
Site 3 EF
The first afternoon
Site 1 GH
Site 2 IJ
Site 3 KL
The next day, draw lots to decide the order and opponents of the top eight (winners and goodbye on the first day)
The next morning-the top eight
Venue 1 A-G (A and G are the winners of reorganization)
Site 2 C-I
Venue 3 E-K
The next afternoon-the top eight
Site 1 m-north
The third day morning-semi-final.
Location 1 A-C
Site 2 E-M
On the afternoon of the third day-the final exam
Location 1 A-E
A goodbye is to skip this round and go straight to the next round, because everyone only plays for three days, and the audience and players will be tired.