1-8
: 1s cast behind own lines, turn outward & dance back up to 2nd place (2s
  step up 5-6), 1s pass LSh to face 1st corners.
9-16
: 1s set to 1st corners, dance round 1st corner positions **while** 1st
  corners Adv+Ret, 1s pass RSh, pull back RSh to face 2nd corners
17-24
: 1s repeat bars 9-16 with 2nd corners & pass RSh to finish own sides
  facing out.  2 1 3
25-32
: 1s dance mirror reels of 3 on the sides (2s in/down, 1s out/up, 3s
  in/up), 1s finish facing out

{{explanation}}
Note: After their 2nd time 1s cast to 4th place as 4s step up on bars 1-2