Two, divided into three small stages (preliminary and semi-final finals)
Three. Time allocation (65,438+00 minutes for preliminaries and rematches and 65,438+05 minutes for finals)
1, first round
(1) Team Eight has eight units.
(2) Name the eight units as A, B, C, D, E, F, G and H in turn.
(3) A, B, C and D are decided by random lottery, one to one.
2. rematch
Just like the rules of the preliminary competition, decide X and Y.
3. Finals
The champion was born.