1-4
: 1s & 3s petronella into centre & set with centre pair (1M&3L) rotating
  1/2 turn clockwise BtoB to change pstns
5-8
: 1s & 3s petronella onto sides & set. Order: Ladies's side 3L 2L 3M 4L :
  Men's side 1L 2M 1M 4M
9-12
: Dancers in 1st & 3rd pstns petronella into centre & set with centre pair
  (1L&3M) rotating 1/2 turn clockwise BtoB to change pstns
13-16
: These persons now petronella onto sides & set Order: Ladies' side 3M 2L
  1M 4L : Men's side 3L 2M 1L 4M
17-24
: 3s+2s also 1s+4s dance Left Hand Ladies' Chain (Ladies cross LH & turn
  Men RH)
25-32
: 1s & 3s set to partners, cross RH cast down 1 place & turn RH
33-40
: All circle 8H round & back