1-8
: 1s+2s dance 3/4 double Fig 8 (1s dance down, 2s cross up). 2s set as 1s
  turn 3/4 LH finishing BtoB (1L face up, 1M down)
9-16
: 1s dance Double Triangles up/down. Bars 11-12 2M+3M & 2L+3L change
  places RH; Bars 15-16 1s petronella turn to 2nd place opp sides
17-24
: 1s dance diag R&L (1M up, 1L down) (2) (1) (3)
25-32
: 2s+1s+3s circle 6H round & back

{{explanation}}
Repeat:-  Bars 1-6 Men cross in front of Ladies in 3/4 doubleFig 8.  Bars 5-8 new 3s & standing top couple cross RH & set