So the right return for East seems to be a low club.
He then led a low club, and put West to the test.
Having made that decision, most players would lead a low club.
Then he could have put West to the test by leading a low club from his hand.
If this had been covered with the king she would have won and led a low club.
East won with the queen, and led a low club.
Again, a low club is led and West has no escape.
After a routine lead of a low club, the defense would have had no chance.
South now led a low club and West took the queen.
East took the king and led a low club, an error.