1-8
: 1s dance down to 3rd place & cast back to places as 3s cast to top &
  dance down to places, 1s & 3s turn RH to face 4M/2M (Man following
  Lady)
9-16
: 1s dance RH across with 4M then LH across with 2L to end facing 4M (1M
  behind 1L) **while** 3s dance RH across with 2M & LH across with 4L to
  end facing 2M (3M behind 3L)
17-24
: 1s with 4M+2L & 3s with 2M+4L dance Alternating Tandem reels of 3 across
  all end in orig places
25-32
: All set advancing to form circle & retire to places, all petronella turn
  to right moving on 1 place & set
33-40
: All circle 8H round & back