1-8
: 1s+2s also 3s+4s circle 4H round & back
9-16
: All 4 couples Adv+Ret twice
17-24
: 1s slip down the middle 2HJ and back up to the top; bar24: 1s remain in
  the middle, turn inwards and face down
25-28
: 2s+3s+4s make arch, 1s dance down under arch past 4th place, 1s cast up
  to 4th place own side **while** 2s+3s+4s retire diagonally moving up
  to 1st/2nd/3rd place.  2 3 4 1
29-32
: All 4 couples turn partner RH (or birl)