1-8
: 1s petronella turn into centre & set, turning to right (individually) &
  cast round 4th corner to 2nd place own side
9-12
: 1s set as 2s & 3s 3/4 turn RH, 1s+2M+3L (centre 4) dance LH across 1/2
  way **while** 2L & 3M dance round clockwise to sides
13-16
: 3L+2M set holding LH as 1s 1/2 turn 2L/3M, 3s+2s (centre 4) dance LH
  across 1/2 way as 1s dance round clockwise to centre
17-20
: 2L+3M set holding LH as 1L+2M also 3L+1M 1/2 turn RH, 1s+2L+3M (centre
  4) dance LH across 1/2 way **while** 2M & 3L dance round cl'wise to
  sides
21-24
: 2s & 3s turn partners 1.1/4 times (on sides) **while** 1s set & change
  places passing RSh to form a circle (Ladies at top & Men at bottom)
25-32
: 1s+2s+3s circle 6H round to left to end all on opposite sides, all set &
  cross back RH. 2 1 3