13:00, 13:20, 13:40, 14:00, 14:20, 14:40, 15:00, 15:20, 15:40, 16:00, 16:20, 16:40, 17:00, 17:20, 17:40, 18:00, 18:20, 18:40, 19:00, 19:20,19:40,20:00
당신은 어느 그룹입니까?