1-8
: 1s dance RSh reels of 3 on sides
9-16
: 1s turn 2s RH on sides 1.1/2 times, 1M casts up on own side followed by
  partner & dances down centre to pick up 3s as 1L picks up 2s
17-24
: 1s with 2s & 3s dance down the middle & back to top with 1L+2s turning
  to face down
25-32
: All set, 2s+3s set as 1s petronella turn to opposite sides; all set & 1s
  cross RH to 2nd place own sides