1-8
: 1s dance reels of 3 on opposite sides, 1s & 2s dance on 1 more place to
  end with 1s facing 1st corners
9-16
: 1s set to 1st corners & turn 2H, set to 2nd corners & turn 2H & end 2nd
  place opposite sides
17-24
: 2s+1s+3s circle 6H left for 2 bars, turn the woman on right 2H &
  continue to circle to places
25-32
: All petronella turn into centre, 1s full turn 2H **while** 2s & 3s 1/2
  turn 2H, all petronella turn to own sides & set
33-40
: 1s cast (Man up & Lady down) into reels of 3 across (Man with 2s & Lady
  with3s), 1s+3s 1/2 turn on sides to 3rd place (1s dancing out)