1. You're only allowed to compare the first and second elements.

2. You can swap the first and second elements.

3. You can move the first element to the end of the list.

This was an interview question and supposedly isn't on the internet anywhere. Here was my attempt: https://play.golang.org/p/_hsRXFFkNl and the line-by-line output: http://pastebin.com/raw/c2wZSEpR