1-8
: 1s+2s set & Petronella in tandem twice
9-16
: 1s followed by 2s lead down the middle for 2 steps. Turn 1/2 way RH,
  lead up for 2 steps. (2s finish in top place, 1s in 2nd place facing
  out). 1s cast to 3rd place, 3s step up bars 15-16.  2 3 1
17-24
: 2s+3s dance R&L
25-32
: All dance 6H round & back