Tricks AB, 1
YZ, 2
3. Z↷ A Y B
3♥ 7♥ Qn♥ 4♥

Trick 4.

Tricks AB, 1
YZ, 3
4. Z A Y↷ B
2♥ 9♥ Kg♥ 8♥

Trick 5.

Tricks AB, 1
YZ, 4
5. Z A Y↷ B
Kg♣ 4♣ 6♣ 2♣

Trick 6.