1-8
: 1s cross RH & cast 1 place (2s step up 3-4), 1L dances LH across
  with 2s **while** 1M dances LH across with 3s  2(1)3 4
9-16
: 1s cross RH & cast to 3rd place (3s step up 11-12), 1L+4s dance LH
  across **while** 1M+3s dance LH across.  2 3 1 4
17-24
: 1s set & lead up to top & cast to 4th place (4s step up 19-20)
25-32
: 2s+3s & 4s+1s dance full reels of 4 across (2L+3M & 4L+1M pass LSh to
  start) 2 3 4 1
33-40
: All set twice, all turn RH