Mix the Line

From facing lines: As Couples Quarter Out, and put the original belle-side couple in front of the other couple.

\syhlines{g3s,b3s,g2s,b2s} \syhlines{g3w,g4w,b2e,b1e}
3 1 3 1 2 4 2 4 3 1 4 2 2 4 1 3
before Mix the Line after


You could think of this as Retreat the Line and Shuffle the Deck.