8  21   0 ~ 24             
  
2022/8/22
     8   21  0  24              3      1                      1               1                    1                    6         2    1         1      2          2                 3                      2           1                              8   21  24               43     7    1          1   5              2          6          6         20    1       19    2              26       3          3         18    1       17     2                2      2                                
             