From Parallel Two-Faced Lines or other applicable formations.
Leaders Keep Busy
(Couples Circulate With The Flow)
as Trailers step forward to form a compact formation ("normalize")
and do the anything call.
Note: The original definition of Busy anything had the Trailers 1/2 Circulate
and then do the anything call. Our definition uses "normalize" instead, and
allows for T-Bone starting formations as shown below.
See also Keep Busy [C3A].