28 cars on a 8×10 lot. 70 seconds on the clock.
28 cars left
You have 70 seconds, starting at your first tap. A bump costs 3 seconds.
Drive the cars out in this order: 1, 2, 3, 5, 6, 7, 9, 10, 13, 18, 19, 25, 26, 27, 28, 20, 12, 21, 16, 22, 15, 17, 4, 8, 14, 23, 11, 24.