{{explanation}}
Circle, Man has Lady on his right

1-8
: All dance interlocking reels of four, turning RH at end to finish facing
  partner
9-16
: All set, 3/4 turn partner RH, all set, change places RH with partner to
  finish Men on inside of circle, Ladies on outside
17-24
: Men dance out passing partner RSh, behind partner, in & LSh all round
  next Lady round circle, & dance back to place
25-32
: Ladies dance in passing partner RSh, behind partner, out & LSh all round
  next Man round circle, & dance back to place
33-40
: All set, Petronella turn to reform circle, set, & change places LH to
  face new partner

{{explanation}}
Repeat from new places