— i) Right-Hand Parallel Two-Faced Lines, “0” (Normal Couples)
Comment: This is the most common application. The other two listed applications will also likely be successful, but using any other formation or arrangement will cause significant breakdown.
— ii) Right-Hand Tidal Two-Faced Line, Normal Couples
Comment: Saying Each Four Crossfire and clearly establishing the ending wave will help.
— iii) Center Right-Hand Two-Faced Line (Center …), Normal Couples in the Two-Faced Line
Comment: Successful if caller is clear about who is active.