1–
: 1c+3c A&R ; ½ R&L
9–
: 2c+4c A&R ; ½ R&L (3,4,1,2)
17–
: All couples NHJ set | Petronella in tandem R ; All chase back 1 place clw | turn RH ¾ (W in centre)
25–
: All W LHA **while**{4} all M chase clw ½ ; All face new P and set | turn RH ½ (M in centre)
33–
: All M LHA **while**{4} all W chase clw ½ ; All face own P and set | turn RH ¾ to own place (1,2,3,4)
41–
: Circle8 L ½ ; All set | cast L (back) one place L (4,1,2,3)

{{explanation}}
Repeat as J,S,J to own places.