EW Vulnerable	North
West ♠  10 2 ♥  A 7 ♦  K 10 3 ♣  K J 10 9 5 3		East ♠  A K 8 6 3 ♥  K 9 6 4 3 2 ♦  9 ♣  2
	South
W N E S 1♣ - 1♥ - 1NT - 3♠
East must show a strong 2-suiter hand by bidding 3♠. As he has bid ♥ first East shows at least 6 hearts and 5 spades. Next