>but why would a very recent swarm, swarm again, especially when there is a
>lot of room in the colony and 6 frames not even drawn out yet?
 
Hi Ian:
 
I think they are most likely supersedure cells.  Hives generally swarm with
the old queen and then replace her shortly after.  The position of the cells
is not an absolute indicator of their type, and in a small colony they could
be anywhere that they had an opportune location.
 
Regards, Stan