You are driving vehicle no. 3 before an intersection without traffic signs. According to the rules of giving right-of-way, in what order should vehicles that arrived at the same time enter the intersection?

You enter first (3), the garbage truck comes second (1), and the private vehicle is last (2).

You enter first (3), second is the private vehicle (2), and the garbage truck is last (1).

The private vehicle will go in first (2), you go second (3), and the garbage truck is last (1).

The garbage truck enters first (1), second is the private vehicle (2), and you go last (3).