       0    0    0    0    0    0    4    4    4    4    4
      10    0    0    0    0    0    4    5    5    5    5
      20    0    0    0    0    0    5    5    5    5    5
      40    0    0    0    0    0    5    5    5    5    5
      50    0    0    0    0    2    5    5    5    5    5
      60    2    2    2    2    3    5    5    5    5    5
