1-8
: 1s+2s+3s dance 1/2 mirror reels of 3 on sides (1s dance in/down to
  start); 1s+2s 1/2 turn on sides (Men LH, Ladies RH), 1M casts up, 1L
  casts down to end 1M between 3s (at top), 1L between 2s (at bottom)
9-12
: 1s petronella turn to 2nd place own side **while** 2s+3s advance (PdeB)
  slightly to Left to join hands in line up/down centre, all set
13-16
: 1s petronella turn to centre **while** 2s+3s advance (PdeB) slightly to
  Right to form lines of 3 across, 1L+3s at top facing down, 1M+2s at
  bottom facing up, all set
17-24
: 1s dance RSh round 3rd corner (1M up/out, 1L down/out), pass partner RSh
  & dance RSh round 4th corner to 2nd place own sides. (3) 1 (2)
25-32
: 3s+1s+2s dance diag R&L. End 2 1 3