Jieux brought up this idea for improving the puzzle solving:
oh… one more 2.0 dream… when you are solving puzzles page by page, you have to scroll to the bottom of the page to move forward… if they had a (next/previous/last0 series at the top, you wouldn’t have to scroll down.
I know the puzzle solving interface will look quite different in the new EteRNA, but I mention this in case we still have this function.