input: [10:00 – 10:30 am] ・Double Elimination (Teams to lose 2 matches will be eliminated) ・Each member will fight 1 game against an opposing team member. ・The team to win more games than the opposing team wins the match. ・1 round is 20 minutes. ・The tournament will continue until there is only one undefeated team. [Registration Time] 
output: Tournament Structure