1-8
: 1s turn RH, 1L followed by partner dances down behind 2L & crosses to
  opposite sides
9-16
: 2s+1s+3s circle 6H round & back
17-24
: 1s & 3s dance 'Mirror' Allemandes (1s up & 3s down) to change places (3s
  on opp sides):

: **17-18**  1s & 3s 1/2 turn RH into allemande hold, 1s facing up & 3s
  down, 1s & 3s curve to their left 1s down M side & 3s up the L side

: **19-24**  3s & 1s dance bars 3-8 of an allemande ending with 3s in 2nd
  place on partner's side & 1s in 3rd place
25-32
: All petronella turn into centre, 3s set **while** 1s & 2s change places
  RH (in centre), all petronella turn to own sides & set