A1: Ones R-hand turn (8 steps) and face up. Cast down while twos move up - use all 8 steps so you arrive just in time for the next move.
A2: Ones L-hand. Cast down while threes move up - again use all 8 steps.
B1: Circle 6 L, 8 slips. Circle R.
B2: Ones lead up middle. Cast to 2nd place, and turn single down (woman to L).
A3: 1st man turn 3rd woman while 1st woman turn 2nd man. Ones turn each other.
A4: 1st man turn 2nd woman half-way while 1st woman turn 3rd man half-way. Ones turn 1½ (or 2½).
B3: 1st man figure-8 through twos, passing woman R, while 1st woman figure-8 through threes, passing man R.
B4: 1st man hey with threes, passing woman L, while 1st woman hey with twos, passing man L, Ones lead down to bottom place while threes finish the hey in 2nd place.
Repeat twice more.