Wipe Out

From waves or 2-faced lines: Ends do their part of a Swing and Slip. Centers Scoot Back and Spread.

\syhlines{b2n,g2s,g3n,b3s} \syhlines{g3s,b3s,b2n,g2n}
2 4 2 4 3 1 3 1 3 1 3 1 2 4 2 4
before Wipe Out after