1-8
: 1s set, cast (2s step up); 1L+2s & 1M+3s dance RH across. 1s end facing
  1st corners
9-16
: 1s dance path of diagonal reel of 4 with 1st corners **while** 2s+3s
  dance R+L round them. 1s end BtoB in centre 2nd place ready for …
17-24
: 1s dance Double Triangles ending with Petronella turn to 2nd place own
  side & face down
25-32
: 1s dance down between 3s, cast up, meet & dance up, cast round 2s to 2nd
  place own side. 2 1 3