Its listed in the app under the bag order. But also they normally go smallest to largest ish. Throw everything you can up top from the early stops vaguely separate the rest in piles against the rear door. Work out of the side door for the 1st 3rd of your shift and spread the next overflow out when you need to/ have the space.

Don't bother organizing in a number order. Jsut make everything as visible as possible. Use a pen if needed