       0    0    0    0    0    0    4    4    4    4    4
      10    0    0    0    0    0    4    4    4    4    4
      20    0    0    0    0    0    4    5    5    5    5
      30    0    0    0    0    0    4    5    5    5    5
      40    0    0    0    0    0    4    4    4    4    4
      50    0    0    0    0    1    5    5    5    5    5
      60    1    1    1    1    2    5    5    5    5    5
