Triple time
A1: Ones turn 1½. Cast below twos (who lead up) and cross back to own side.
A2: Twos the same.
B1: 1st corners cross; 2nd corners cross. Circle L halfway; cloverleaf turn single (Ones turn upwards and twos downwards).
B2: 2nd corners cross, 1st corners cross. Circle L half-way; Ones cast, twos lead up.
All crosses are "Hole in the Wall" crosses: 3 steps to cross and face, 3 steps to fall back.