{{explanation}}
No hands are given throughout the dance

1-8
: 3s followed by 2s+1s dance down for 2 bars, set & dance up backwards &
  Petronella turn to original place (Ladies pull back RSh, Men LSh)
9-16
: 1s dance 1/2 Fig of 8 down round 2s, 1s cast 1 place (2s step up bar
  13-14) & cross up to their original place (2s step down 15-16)
17-24
: 1s+2s Set & Rotate:

: Set, rotate singly & dance on 1 place clockwise, change places RSh on
  sides & dance on 1 place to own sides (1s in 2nd pl)
25-32
: 2s+1s+3s circle left for 6 steps, pivot left & chase back to places 2 1
  3