1-4
: 1s+3s turn partner 3/4 RH **while** 2s+4s petronella turn & set (Ladies
  now BtoB in centre facing partner)
5-8
: 2s & 4s make arches & 1M & 3M followed by partners chase clockwise 1/2
  round dancing under arches
9-12
: 3s+1s petronella turn & set (in middle BtoB) **while** 2s & 4s turn
  partner RH
13-16
: 1s & 3s make arches & 2M & 4M followed by partners chase clockwise 1/2
  round dancing under arches. (3s & 1s facing partner, drop hands)
17-24
: 3s+1s dance 1/2 reel of 4 passing partner RSh to start; 1M & 3M followed
  by partners chase clockwise 1/2 round
25-28
: All change places RH with corner, retain RH with corner, all join LH to
  form circle & all set;
29-32
: All change places LH with next person, retain LH, all join RH to form
  circle & set
33-40
: Ladies dance 1/2 RH across, turn partners LH into prom hold; all
  promenade clockwise 1/2 round. End 4 1 2 3
41-48
: All circle 8H round & back