1-8
: 2s dance reels of 3 across (to start 2s pull RSh back, cast 2M up/2L
  down), **while** 1s & 3s pass partner LSh. End 1M in middle at top
  facing down, 3L in the middle at bottom facing up, 2M in 1M's place,
  2L in 3L's place)
9-16
: 1s+2L & 3s+2M dance reels of 3 on sides (To start 1M passes 2L (1st
  corner) RSh & 3L passes 2M (1st corner) RSh) At the end 1M & 3L curve
  into 2nd place on opposite sides
17-20
: 2s (1st corners) pass RSh, dance round to 2nd place own sides **while**
  1s+3s NHJ set & chase clockwise to own sides. 3 2 1
21-24
: All turn RH to finish 2H joined in middle of set ready for….
25-32
: 3s+2s+1s dance Poussette.

{{explanation}}
3rd, 5th & 7th time through new 3rd couple cross up into reels of 3, couple in 3rd place dance down to 4th place