1-8
: 1s+2s dance RH across; 1s cast down 1 place **while** 2s dance up to
  top, 1s set advancing, turning right about to end BtoB facing own
  sides ready for ...
9-16
: 2s+1s+3s dance Double Triangles, ending with Petronella turn to 1L
  between 2s & 1M between 3s facing 4th corners
17-24
: 2s+1s+3s dance RSh reels of 3 across, 1s end in 2nd place opposite sides
  2 (1) 3
25-32
: 2s+1s+3s circle 6H round to left (6 bars) & 1s cross RH to 2nd place own
  sides