*3c+4c cross before the single chord (1,2,3x,4x)*

1–
: 1c+2c & 3c+4c Set & Rotate (2,1,4x,3x)
9–
: Rsh Reels4 on both sides (2,1,4x,3x)
17–
: 1c & 4c dance Rsh individually round 2c & 3c resp. to same places, and the M face out ; 1c+4c (M leading) chase cclw ½ to finish (2,4,1x,3x) 
25–
: All chase cclw half round, into ; ½ Circle8 R (2,4,1x,3x)