19 cars, 88 passengers, 5 bays. 80 seconds on the clock.
88 waiting
You have 80 seconds, starting at your first tap. A bump costs 3 seconds.
Call the cars to the stop in this order: 4, 10, 16, 17, 12, 2, 7, 18, 6, 19, 15, 11, 1, 13, 3, 14, 8, 9, 5.