{{explanation}}
2 chords - on 2nd chord 3s & 4s cross to opp sides

1-8
: 1s+2s also 3s+3s Set & Rotate (top 2 & bottom 2 couples set facing in
  diagonally) 2 1 (4) (3)
9-16
: Tandem reels on sides: 1M followed by 4L RSh to 2M (up), 4M followed by
  1L RSh to 3M (down)
17-24
: "Double Knot":

: 2s+1s dance Knot down Men's side to bottom ending on opp sides **while**
  4s+3s dance Knot up Ladies' side to top ending on own sides 4 3 (2)
  (1)
25-28
: 3s+2s (middle couples) dance 1/2 RH across & set 4 2 (3) (1)
29-32
: 4s+1s turn partner RH (4 bars) moving down/up to 2nd/3rd place **while**
  2s+3s cast to 1st/4th place & turn RH (2 bars) 2 4 (1) (3)

{{explanation}}
Repeat once more in Strathspey time and twice in Reel time