Bob just plops. Huge heaving plop. Not fussy about comfort. If he was human he would put on his shoes
with his socks all bunched up

.
Connie spins and digs and spins and changes her mind over and over. Very delicately. And it has to be perfect.
Slightly annoyed until she gets it right.
This pattern establishes itself when they are young. At least with mine. And doesn't change much over the years.
If it is rare and out of character to have strange behavior, it could be a little digestive upset. Listen for digestive gurgle sounds.
It is a good sign that things are working...
It is alarming when they are young and do odd things. Keep staring when this happens and look for signs of distress.
Actually i think that is what you are doing by mentioning it.

sorry.
I would get familiar with all the signs of stomach upset, the warning signs of bloat. My sweet Lewie would do some odd
behavior similar to yours about once a month and probably more when we were not home...he was thought to be having mild
seizures but it was connected to bloat.