1-8
: 1s and 3s face in diagonally and set, dance RH across and set facing in
  diagonally again
9-16
: 2s petronella into the centre, set facing partners, change places LH
  up/down and cast left back to places
17-24
: 1s lead down for 3 bars, back up to the top and cast to 2nd place (2s
  step up on 23-24)
25-32
: 1s & 3s dance the Tournee. 2 3 1