Brilliant!Thanks for the opportunity to chip in.
Looks like there are 18 total spots available in your image, Rob.
B . I . U . Text Color . Font Size . Link . Ordered List . Unordered List . Image Insert . Quote . Undo . Smilies
Strike Through and Media optional top line items.
Room for other's favorites, too.
Leaving one space for the More (three vertical dots) secondary tier left over functions.
I’m a Desktop man myself too..I use a desktop /monitor.
This is the currently active setting, but for "medium" screen sizes.
This isn't an example configuration, but is a list of all the buttons available. We can't really put all of the buttons on the toolbars (especially smaller screens) without causing even more potential issues.