1-8
: 1s+2s dance 1/2 R&L, set, 2s cross RH **while** 1s turn right to
  face 1st corner
9-16
: 1s dance RSh reels of 3 on opposite sides, 1s turn RH to face 3rd corner
17-24
: 1s dance RSh reels of 3 on own side, 1s turn RH to 2nd places opposite
  sides
25-32
: 2s+1s+3s set, 1s petronella turn into lines across & set, 1s petronella
  turn to own sides