West won with the queen and led the spade jack.
West tried the spade jack, which ran around to the king.
South won with the club king and led the spade jack.
The spade jack was led and won with the ace.
East won and played the spade jack, which was allowed to win.
He won with the ten and led the spade jack.
But West chose the spade jack for no particular reason.
West had to lead from the spade jack at the finish and the game was made.
If he, too, had led the spade jack, South would have been less likely to solve the problem.
East won with the king and played the spade jack.