K1 : Dealer is N     None Vulnerable North * ♠ 8 ♥ K Q ♦ A 5 ♣ A K Q J 8 7 6 3 East ♠ K Q 10 4 ♥ A 10 7 5 ♦ J 7 6 3 ♣ 2 West ♠ J 6 3 ♥ 9 4 3 2 ♦ Q 10 2 ♣ 10 9 5 South ♠ A 9 7 5 2 ♥ J 8 6 ♦ K 9 8 4 ♣ 4 Bidding (Opener's bids are underlined) (N) : 3NT - 4♠ - 4NT - 5♦ - 6♣ - Pass	K2 : Dealer is E     NS Vulnerable North ♠ J 4 3 2 ♥ 10 5 ♦ K 10 5 3 ♣ 9 3 2 East * ♠ - ♥ A K Q 9 8 6 4 3 2 ♦ 7 ♣ K Q J West ♠ K 9 7 5 ♥ J ♦ A 9 8 4 ♣ A 7 6 5 South ♠ A Q 10 8 6 ♥ 7 ♦ Q J 6 2 ♣ 10 8 4 Bidding (E) : 3NT - 6♣* - 7♥ - Pass * = Ace in ♣s and in the next suit (♦s)
K3 : Dealer is S     EW Vulnerable North ♠ 6 3 ♥ A Q 9 4 2 ♦ 9 4 ♣ K Q J 3 East ♠ 9 ♥ K J 10 8 6 ♦ 8 7 6 3 ♣ 10 6 5 West ♠ 7 5 4 ♥ 7 3 ♦ A 5 2 ♣ A 9 7 4 2 South * ♠ A K Q J 10 8 2 ♥ 5 ♦ K Q J 10 ♣ 8 Bidding (S) : 3NT - 4♥ - 4♠ - Pass	K4 : Dealer is W     All Vulnerable North ♠ K 9 6 5 4 ♥ 5 ♦ 9 8 6 4 ♣ J 10 3 East ♠ J 10 8 3 2 ♥ A 10 9 4 ♦ - ♣ A 9 8 4 West * ♠ - ♥ K Q J ♦ A K Q J 10 7 5 3 ♣ K Q South ♠ A Q 7 ♥ 8 7 6 3 2 ♦ 2 ♣ 7 6 5 2 Bidding (W) : 3NT - 4NT* - 7♦ - Pass * = two non-touching Aces