1-8
: 1s lead down middle (2s up), 1L dances under partner's arm & 1s lead up
  to 2nd place opposite sides
9-16
: 2s+3s petronella turn into middle & set, petronella turn to opposite
  sides & all set. (2)(1)(3)
17-24
: All dance reels of 3 on sides with 2s & 3s casting to start & 1s then 3s
  & 2s crossing up RH from 2nd place to complete reel on own side
25-32
: 1s+3s Set+Link, all turn partner 2H. End 2 3 1