1-4
: 1s+2s Petronella turn into middle & set
5-8
: 1s+2s turn partner 1.1/4 RH to finish in middle (2s face up & 1s face
  down, nearer hands joined)
9-16
: 1s+2s dance Rondel
17-24
: 2s+1s+3s dance Grand Chain
25-32
: 2s+1s+3s set, rotate (pull back RSh) & chase clockwise to form lines
  of 3 across (Men facing down & Ladies up) to flow into 6H round to the
  left to finish on own sides