South won the ace, drew trumps and led a heart.

Now, when East wins the ace of clubs, he has no diamonds left to play.

He should have won the ace of diamonds, cashed the top hearts and played a fourth round.

He exited with a heart, and after winning the ace, East played clubs.

Sampson won the ace, ruffed a heart and thought matters over.

If East had the club ace, he might win the ace or hesitate a moment before playing low.

West led a club, and East won the ace and returned the ten.

He finessed the 10 on the second round of diamonds after East had won the ace and returned the suit.

East won the ace and returned a heart, with West holding up his ace.

East won the ace and shifted back to spades, knowing the position in that suit.