1-8
: 1L+3M also 1M+3L turn RH & face out; 1s & 3s chase 1/2 round clockwise,
  Men leading **while** 2M+4L & 2L+4M turn RH & face out. 3 2 1 4
9-12
: 2s & 4s chase 1/2 round clockwise, Men leading **while** 3s & 1s NHJ
  with partner Adv+Ret up/down set;
13-16
: 1s & 3s stand (4 bars) **while** 2s & 4s NHJ with partner Adv+Ret across
  set. 3 4 1 2
17-24
: 3s+1s dance 1/2 Ladies' Chain (up/down); 4s+2s dance 1/2 Ladies' Chain
  across set. All with new partners, Ladies in original places
25-32
: All face new partner, set & turn RH (4 bars) into prom hold facing
  clockwise (Lady on Man's right). All promenade 1 place & face in

{{explanation}}
2nd time, all back with original partner opposite starting position.  Repeat 2 more times when all will be back in original places