桥牌概率做庄问题
5-NS-Dlr:N
North Bidding
S - K 10 9 8 7 4 N ESW
H - A 3 2♠P 3♠ P
D - K 6 24♠ P PP
C - 10 8
South
S - A 5
H- K J 7 2
D- Q 10 8
C- A Q 7 6
Lead:East C4