1) You are remixing this project. 2) you put yourself in place of one of the non-occupied places (only 1 time) (unless it takes forever) 3) share the project and so do the rest until the places run out!
https://www.youtube.com/watch?v=ENlWyteR27o&list=PLFmRyecBOQ3XPfBFKxxDdwR9Cx7utFr8p
