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.

Busy Single Wheel:       Busy Single Wheel 之前   part-way   之后

Busy Mix:       Busy Mix 之前   Busy Nothing 之后   Centers Mix 之后 (完成)

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.

Busy Nothing 之前   之后

Busy Nothing 之前   之后

参见 Keep Busy [C3A].