How to split beams only for quavers in groups of three?

If you put in a quaver rest followed by three quavers in 2 beats, all three beams join up like this:

I would prefer if the beams instead joined like this:

However, I cannot find a way to do this except for manually changing the beam for the first quaver every time. If I use the default beams in the Time Signature Properties like this:
, it also makes quavers in groups of four split the beams as well like this:

Is there a way to make only quavers in groups of three split the beams (the first one disconnected from the rest).