        
  
2022/3/14

        3  13  0  24         

       1       

 24          20    1 

   2    1  

        3  13  24           

    60     32    15    

8    3    2         1 

             1  

              

            

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

    475     427    25    

15    3    3    2       

415     395    10     7    3  

    

          