1-4
: All set, 1L+2L also 3M+4M change places RH on sides **while** 1M+2M also
  3L+4L change places LH
5-8
: 1s+4s set (right) to each other & set (left) to partner; 1s+4s cross to
  opp sides, Ladies dancing between Men. 1s face up, 4s face down
9-16
: All dance RSh reels of 4 on sides
17-24
: 1s & 4s set & Petronella-in-tandem into centre, set &
  Petronella-in-tandem onto sides. 2 4 1 3
25-32
: All circle 8H round & back. 2 4 1 3