1-8
: 1s lead down between 2s, cross, cast behind 3s, lead up, cross, cast
  behind 2s back to place
9-16
: 1s+2s dance Poussette, 1s end BtoB in centre facing own sides as for
  Double Triangles
17-18
: 2s+1s+3s set once, taking hands
19-20
: 1s dance out to sides turning to face in **while** 2s+3s advance, pass
  LSh to end BtoB with partners in the centre still facing same way
21-22
: 2s+1s+3s set, joining hands in triangle
23-24
: 2s+1s+3s advance, 1s finish in centre facing up, 2s/3s on opposite sides
  facing down/up
25-32
: All dance 6 bar mirror reels of 3 on the sides, 1s lead up & cross to
  start, 2s dance in & down, 3s dance out & up. All cross RH to own
  sides. 2 1 3