1. You enter first (3), the garbage truck comes second (1), and the private vehicle is last (2).
  2. The garbage truck enters first (1), second is the private vehicle (2), and you go last (3).
  3. You enter first (3), second is the private vehicle (2), and the garbage truck is last (1).
  4. The private vehicle will go in first (2), you go second (3), and the garbage truck is last (1).
Picture for question 701