21H Max.
          From: 2023/09/01 to 2024/01/31
            +---+---+---+---+---+---+---+
            |Mon|Tue|Wed|Thu|Fri|Sat|Sun|
          +-+---+---+---+---+---+---+---+
          |1| 15| 15|  6| 15|  8|  0|  0|
          +-+---+---+---+---+---+---+---+
          |2|  5| 15|  4| 15| 15|  0|  0|
          +-+---+---+---+---+---+---+---+
          |3|  3| 15| 15| 15| 15|  0|  0|
          +-+---+---+---+---+---+---+---+
          |4| 15|  8| 15| 15| 15|  0|  0|
          +-+---+---+---+---+---+---+---+
          |5| 10|  8| 15|  1| 15|  0|  0|
          +-+---+---+---+---+---+---+---+
          |6|  0|  1|  3|  0|  6|  0|  0|
          +-+---+---+---+---+---+---+---+