1-4
: 1s dance in, take prom hold & dance down to end between 4s **while** 2s
  dance up, take prom hold & dance down to end between 3s (3s step
  up 3-4)
5-8
: 1s dance 1/2 reel of 3 with 4s (RSh to 4L) **while** 2s dance 1/2 reel
  with 3s (RSh to 3M), 1s & 2s pass RSh to...
9-12
: 1s dance 1/2 reel of 3 with 3s (RSh to 3L) **while** 2s dance 1/2 reel
  with 4s (LSh to 4M), 1s & 2s end facing down (nearer hands joined with
  partner)
13-16
: 2s followed by 1s dance down & 1s cast up round 3s to 1st place own
  side **while** 2s cast up round 4s to 2nd place own side (3s step
  down 15-16)
17-24
: 1s+2s+3s+4s set to partners, 1s+2s also 3s+4s dance 1/2 R&L, all set.
  (2) (1) (4) (3)
25-28
: 3s dance up between 4s & cast up behind 1s & 2s to 1st place opp side
  (2s+1s+4s step down 27-28)
29-32
: 3s+2s also 1s+4s dance RH across 1/2 way & all set.  2 3 4 1