Duck through and Swing
Square Diff: 4 0
32 Bars Ladies L (CW) Progression
A1 Heads [SIDES] R&L Thru, Sides [HEADS] R&L Thru, Heads [SIDES] R&L Thru (quick)
A2 Head [SIDE] couples lead R and circle L to a line of 4 (lead by head [SIDE] man), LLFB
B1 Lines Pass Thru, join hands, middles arch, ends duck through and swing the one you meet while arches swing
B2 Promenade to man's place