1-8
: 1s cast to 2nd place **while** 2s step up. 1s set advancing to 1st
  corners. 1s turn 1st corners RH, partner LH to finish facing out in
  2nd place
9-16
: Repeat bars 1-8 with 2nd corners to finish in 3rd place facing out (3s
  step up bars 9-10)
17-20
: 1s cast to 4th place **while** 4s step up. 1s turn RH into promenade
  hold facing 4M (in 3M place)
21-24
: 1s dance 1/2 reel of 3 with 4s (LSh to 4M). 4s finish in 4th place on
  opposite sides
25-28
: 1s dance 1/2 reel of 3 with 3s (RSh to 3L). 3s finish in 3rd place on
  opposite sides
29-32
: 1s dance 1/2 reel of 3 with 2s (LSh to 2M). 2s finish in 2nd place on
  opposite sides **while** 1s finish in 1st place own sides
33-34
: 1s 1/2 turn 2H to opposite sides to face down with LH joined **while**
  2s+3s+4s 1/2 turn 2H to form arches in centre
35-38
: 1s lead down slowly for 4 steps under arches crossing below 4th place to
  own sides facing up to follow:
39-40
: 2s+3s+4s+1s NHJ dance up 1 step. 2s+3s (now in 1st & 2nd places)
  continue to dance up **while** 3s+4s separate & dance to sides. 2s are
  ready to cast & 3s are ready to lead up to top on next repeat.

: Note: The last time through all couples should separate on bar 40