1-8
: 1s & 3s petronella turn into centre & set, 1s+3s dance 1/2 reel
  of 4 **while** 2s move to 3rd place
9-16
: 3s petronella turn to own side, set & turn RH **while** 1s+2s dance RSh
  reel of 4 across (L facing L & M facing M to start & end 3 1 2 on own
  sides)
17-24
: 3s+1s+2s dance Allemande, 1s ending ready for Double Triangles
25-32
: 1s dance Double Triangles, 1s end in 2nd place own side.  2 1 3