1-16
: 1s dance full Petronella figure back to place **while** 2s step up bars
  1-2, set bars 3-4, then follow 1s. 2s petronella turn to 2nd place on
  bars 15-16
17-24
: 1s lead down centre of set & back to top
25-32
: 1s+2s dance RH across once round & 1/2 Diamond Poussette to change
  places