We apologize for the instability of composr.app and appreciate your patience. We are working on the statistics addon and trying to find an optimal way to store and render data. Unfortunately, we have yet to find a solution that can handle the traffic (and therefore, tens of millions of statistical records) of composr.app. We're working hard on one.
Okay, I assumed it would just add thumb on the end but if there's a reason for it no worries. Uploaded screenshot to show '{' after each input box. I think those belong to the preview link but they're misplaced.
(Click to enlarge)