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