Problema de bridge com as 4 mãos abertas 
      
                   nada                                              
                 AK87532         Contrato 6ST
                
AKQ9                saída 10        
                 AK                                                
109876  ====== 
542                                     
QJ109   !      N      !                                   
               ! O      E  !
J876432                  
J1098    !      S      ! 764                           
                ======                                           
               AKQJ3                               
                64                                           
               105                                                  
               Q532                                                 
 
   Veja a solução do problema  aqui
  
Manter o cérebro trabalhando não faz mal a ninguém!  -