{{explanation}}
2 chords: 2nd chord 3L & 4M change places to be beside partner

1-8
: 1s cross RH & cast (2s step up); 1s dance down between 3M+4M (who step
  up), cast behind 3L+4L (who step up) to 4th place opp side **while**
  2s cross RH & cast to 2nd place as 3M+4M step up. [Men's side:
  3M,2L,3L,1L; Ladies' side: 4M,2M,4L,1M]
9-16
: 1s followed by 2s dance down (3L+4L step up 11-12); 2s followed by 1s
  dance up to 3rd/4th place
17-20
: 3s+4s also 2s+1s circle 4H 1/2 round to left (2 bars), turn partner 2H
  [Men's side: 4L,4M,1M,2M; Ladies' side: 3L,3M,1L,2L]
21-24
: 3s+4s also 2s+1s circle 4H 3/4 round to right, retain hands with
  neighbour & face partner, 4s+3s at top, 1s+2s Men facing down Ladies
  facing up
25-28
: 4s cross passing RSh, cast & face up NHJ **while**

: 3s Adv+Ret (1 bar each), cross up passing LSh & face down NHJ **while**

: 1s+2s Adv+Ret up/down (1 bar each) & 1/2 turn partner 2H, retain NH
  facing in
29-32
: 3s+4s Set+Link across back to own sides **while** 1s+2s Set+Link on
  sides [Men's side: 3M,4M,2M,2L; Ladies' side: 3L,4L,1M,1L]