1–
: 2C Set&Rotate. 1M & 2W face out (2,1,3)
9–
: 2c+1c RHA. 1M face out ; 1c+3c LHA. 1c face up (2,1,3)
17–
: Parallel Reels3 on sides, 1c RSh to 2c. All face in (2,1,3)
25–
: 1c+3c 2C Knot (2,3,1)
*Deviser's note*.  An alternate version for the last 8 bars is perhaps better : 1st couple set, cast off as the 3rd couple step up. All three couples dance back to back.