1-8
: 1s cross down to dance mirror reels of 3 on opposite sides
9-16
: 1s cross down to dance mirror reels of 3 on own sides
17-24
: 1s followed by 2s & 3s lead down the middle, crossing over in 3rd place
  & dance up opposite sides (1) (2) (3)
25-32
: 2s+3s dance 3/4 R&L, all set (1) (3) (2)

{{explanation}}
On repeat, bottom of set is now the top with 2s the dancing couple. After 6 times through, each couple has dance from each side & position