As we approach the time to submit your rank order list, it's imperative that you understand how to organize your list.
Don't try to outsmart the algorithm by putting programs with more residency slots higher on your list or by prioritizing those that have given you good feedback over those that haven't. None of those factors is relevant in creating your rank order list, and you will harm your chances if you pursue those strategies!
Your first choice should be first. Second should be second, etc. Here's an explanation of the algorithm if you're interested.
Take a look at this under-one-minute Guru on the Go video for further clarification.