3  31  0  24      

        2  

      1    

        1  

         

  

   3  31  24       

        9  

  2    6   1   

     25     16 

  9        

 1          

         

         

   2  15        

       491  

  436    25     15 

  6    1    3  

 3    2       

482     434    25    

15    3    3    2  