A screen within a screen within a screen session

If you every have a screen within a screen within a screen session you will quickly find it very frustrating to detach the sub-most screen. Luckly I found a post on here on how to detach just the sub-most screen session. You must be within that sub-most screen you want to detach before you hit "Ctrl-A a a d". It is quit a mouth full but it gets the job done.