- From applicable formations (e.g., Parallel Two-Faced Lines or Waves).
Very Centers Cast 3/4 as End of the Center Line Counter Rotate 1/4 on the outside
(to become the very ends) as Others Trade; then the Center 4 Spread.
The Spread is blended into the Very Centers Cast 3/4 plus the Outsides Trade.
- John Saunders 1973