Pretty unambiguous this one, and a lot of fun.
|A1,2 (8)||Lead up a double and back twice|
|B1,2 (8)||Back-to-back right (4)
Back-to-back left (4)
|A1,2 (8)||1C cross, cast down, cross, cast down|
|B1,2 (8)||1C lead to the bottom, cast back up to invert the set, others following
All arm right your partner
Next time around the top of the set is at the other end, so start leading down, with the active couple starting at the other end to cross, cast, etc.
After 4 repetitions everyone should be home.