6:30 7:00,30 8:00,20,40 9:00,20,50 10:20,50 11:20,50 12:20,40 13:00,40 14:10,30 15:10,30 16:10,30 17:00,20,40 18:00,30,5019:30,5020:30,5021:20,4022:10
당신은 어느 그룹입니까?