Here was the original problem:

West leads the 6♣️. Dummy plays 2♣️ and East plays 3♣️. What is your plan?
Solution–
Dummy has a delicious looking ♦️ suit but is strapped for an entry. If you win the first trick with 10 ♣️ the opponents will play Q♣️ on your 4♣️ and you will not get to dummy.
The key to this hand is to win the first trick with A♣️, cash A♦️ (unblocking the ♦️s), and then lead a small ♣️ to dummy’s 9♣️. The defenders can win one of your small ♣️s but the other one will get you into dummy to run the ♦️ suit.
Here was the entire deal:

