1-8
: 1M sets to 2L & casts to 2nd place **while** 2L casts up to 1st place
  (2M steps up as 1L steps down), 1M & 2L turn 2H & return to new places
9-16
: 2M & 1L repeat above 8 bars
17-24
: 1s+2s set, 1s cross RH & cast round 2s to join hands in line of 4 with
  2s (facing up), dance up to top & 1s end BtoB facing 2s on opposite
  sides
25-32
: 1s+2s set, 1s petronella turn (L face down & M up) as 2s set, 1s dance
  towards each other, lead up to top of set & cast down to 2nd place