From Parallel Two-Faced Lines.
  Leaders Couples Circulate 
With The Flow 
  (Ends Walk, Centers Dodge)
  as Trailers 1/2 Circulate,  Very Centers Hinge, Flip The Diamond,
  
Step & Fold
  (Centers Step Ahead as Ends Fold).  
  Ends in Parallel Waves.  
  This is a 4-part call for the Trailers. 
EN: 256