From parallel lines/waves with centers in a mini-wave: Ends Circulate 1 1/2 as centers Cast 3/4 (Acey Deucey 1 1/2); very centers Trade and all (4, 6, or 8) wave dancers face the (flagpole) center.
Powerhouse 1 Thru 8 -- The number after Powerhouse designates the number of Extends to be done by those who faced the center; e.g. Powerhouse 1 would have the very centers step to a right-hand mini-wave. As in Tag the Line a facing command can be given to the wave dancers.