which file?

Im stuck trying to figure out the file mini game can someone tell me which file do i use im not much good in doing keys.lol

It is a combination of the three files. You just keep trying to make the key to fit the outline behind it. If you don't make the key just right you get a new key to work on. I started in the middle of the key with the number 3 dot file and worked from there. I hope this helps. HAPPY GAMING!!!