1-8
: 1s cross RH, cast 1 place (2s step up); 1s Petronella turn to 1M between
  2s facing down, 1L between 3s facing up, 1s set & 1L pulls back RSh to
  face down forming lines of 3 across all facing down
9-12
: 1M+2s & 1L+3s dance down middle, Men pull back LSh, Ladies pull back RSh
  so all face up
13-16
: 1s cross hands to take nearer hands of 2s / 3s to form 'Double Triumph'
  arches & dance back up, 1M+2s turn to face down
17-24
: Lines of 3 across set twice; 2s+3s 1/2 turn RH on sides **while** 1s
  change places RH then 1M / 1L dance in behind 2M / 3L to dance 1/2 RH
  across. All end on sides 2 1 3
25-32
: 2s+1s+3s circle 6H round & back