I finally finished the layout mess challenge. I had some difficultly with moving everything around with and getting back to original default layout. Then I got rid of all the screens except one and clicked on the info bar. I remembered I needed to get back to info bar to find other layouts. I know now that I didn’t really have to get rid of all the screens just needed find the info bar and go back to default layer. Its alright though you live and you learn. 
this challenge took me a while i had to keep on restarting then i finally remembered i can get a new info header and change the layout back to default.
Same here. That info-header thingie is clearly the boss. 'Took me while to get it.