Bidding: : 1♠ - 2♠ - 3♠ - 4♠   Lead : K♥
Drawing 2 rounds of trumps only. Then forcing Opponent's last trump out by running a long side suit (♣) while discarding (♥) losers in Declarer's hand. Ruffing (a ♦) with Dummy's remaining trump (7♠).