1-8
: 1s+2s petronella into centre & set, 3/4 turn partner RH & dance RH
  across 1/2 way (2s & 1s have changed places)
9-16
: 2L followed by 2M also 3M followed by 3L chase clock-wise 1/2 way to
  change places, 3s+1s+2s turn partners (1s LH & 3s & 2s RH)
17-24
: 3s+1s+2s turn ptnrs (other hand), 1L+3M also 1M+2L (nearer hands joined
  facing out) turn clockwise to place 3M/2L into 3rd/1st pstns (opp
  sides) **while** 3L & 2M cross over to own sides, 1s set **while**
  2s+3s chase (round 1s) clock-wise 1 place to end 2 1 3 (on own sides)
25-32
: 2s+1s+3s set, circle 6H round to left & spiral out to places