4   7  0  24            
  
2022/4/8
     4  7  0  24             2      1    1             3            1    2              4  7  24                9     1    1    6   1          15     8    7          1                                          2  15                495     436    25     15    1    9    1     3    3     2        486     435    25     15    3    3    3    2      
     