A (ten of clubs): 26.
B (queen of clubs): 21.
A (nine of clubs): 26.
B (eight of clubs): 22.
A (throws away king of hearts): 26.
B (leads king of spades): 23.
A (takes it with ace): 27.
A (now leads knave of diamonds): 28.
B (anything): 23.
A (ten of diamonds): 29.