1-8
: 1s petronella turn into middle & set, petronella turn to 2nd place
  opposite sides & set (2s step up 5-6)
9-16
: 2s+1s+3s circle 6H round & back
17-24
: 2s+1s+3s advance for 2 steps & retire; 1s 1/2 turn RH to own sides
  & 2s+1s+3s clap (one, two, three; one, two, three)
25-28
: 2M+1M+3M also 2L+1L+3L circle 3H round to the Left on own sides