Because of the format competition that is different, so we need to try to find the maximum speed in a car in each course in order to obtain the minimum time.
Because of the competition with the theme of the course is different, so we need to try to speed up the balance of the car that ran in the field to get at the very least.
Because the competition is a form of the name is different, so we need to experiment to find the highest speed in the balance of the car running in each field to get a little time.