A1 – 1st Couple go up through the Couple above you (pretend if nobody there) and around the outside back to your place. Then go down through the Couple below you and around the outside back to your place.
A2 – 1st Couple cross over and go down through the 2nd Couple again. Go around the outside and back to your partner’s place. Take both hands and go once around (ending improper).
B1 – 1st Man go Back-to-Back with the 2nd Woman, then take both hands and go once around, the other two doing the same.
B2 – Everyone go Back-to-Back with your Partner. The 1st Couple take both hands and go halfway around, then cast off to the 2nd Couple’s position, while the 2nd Couple takes both hands and goes once around, turning themselves into the 1st Couple’s position.