1-8
: 2s & 4s dance 1/2 Petronella to end on opposite sides
9-16
: 1s+2s also 3s+4s dance the Whirligig Progression :

: All turn 3/4 RH ending in prom hold with 1s/3s facing Men's side & 2s/4s
  facing Ladies side then 1s+2s also 3s+4s Promenade anticlockwise once
  round each other (Men keeping LSh to LSh) & all turn LH to own side
  2s/4s casting up 1 place as 1s/3s move down 1 place (2s+1s end facing
  down, 4s+3s facing up on sides)
17-24
: All dance reflection reels of 4 on sides with 1M+4M passing LSh & 1L+4L
  passing RSh to start
25-32
: 1s+4s+3s dance 1/2 reflection reels of 3 on sides, 2s & 4s turn RH. 2 3
  4 1