A1: Circle 4 half-way; fall back with neighbour. Twos gate Ones up and round.
A2: Ones half figure-8 up through twos, who wait for 4 beats then cross back to their own side. All set and turn single.
B: With next couple, right-hand star. With original couple, left-hand star.
C: Ones lead down between next couple and cast back to place. All two-hand turn partner.