1-4
: 1s+2s set, 1s cross down (no hands) to 2nd place opp sides as 2s cast up
  to 1st place. 1M faces down, 1L faces up
5-8
: 1st corners followed by 1s (2M+1L also 3L+1M) dance across passing ptnrs
  (2L/3M) by right and cast, 2M down/3L up (still followed by 1s) to
  change places with 1s finishing in 2nd place own sides, finish …

{{explanation}}
TOP	2L · 1L · 2M

: 3L · 1M · 3M
9-16
: 1s set, cross passing LSh. Repeat bars 5-8 with 2nd cnrs followed by 1s
  (2L+1M also 3M+1L) dancing across, pass opp person by Left, cast, 3M
  up/2L down (still followed by 1s) to change places & 1s finish in 2nd
  place own sides (3) 1 (2)
17-20
: 1s petronella turn into centre, 1s set as 1st cnrs cross RH to place
21-24
: 1s petronella turn to 2nd place opp sides, 1s set as 2nd cnrs cross RH
  to place & face out
25-32
: Reels of 3 on sides, 1s pass 2nd cnrs RSh to start (6 bars); 1s cross RH
  to 2nd place own sides