{{explanation}}
2c start on opposite side (1,2x,3)

1–
: 2c cross RH | cast to the R ; ½ Lsh Reels3 across
9–
: 2c cross RH up/dn | cast R ; ½ Lsh Reels3 on the sides (3x,2,1x)
17–
: 8 bars of R&L for 3 couples
25–
: All turn new partner RH ; All chase clw ½ round.

{{explanation}}
All dancers have moved two places clw around the 3c set, finishing 3M, 3W, 2M on M side, and 2W, 1M, 1W on W side.  The new pairs become the new couples (1,2x,3).