waves only: Those facing out do a Scoot Back, while those facing
in Extend, Swing, Slip, Swing, and Extend. Ends in waves.
quarter tag: All Extend, Swing, Slip, Swing, and Extend. Ends in
three quarter tag.
teaching: The centers' part can be thought of as a Swing Thru 1½--Extend
or Left Swing Thru 1½--Extend, depending on what hand was held in