1        S TK
         H xx
         D T
          
S ?        N        S ?        
H ?      W          H ?
D ?          E      D ?
C ?        S        C ?
         S x
         H 
         D 9
          10
Contract 6C by S: Lead ?

2        S TK
         H xx
         D T
          
S ?        N        S ?        
H ?      W          H ?
D xxx?       E      D xxx?
C xx?      S        C xx?
         S x
         H 
         D 9
          10
Contract 6C by S: Lead ??