2          1          1      30.83
        10          1          1      30.83
        20          1          1      30.83
        30          2          2      61.66
        65          4          3     107.06
        72          3          4     108.75
        80          4          4     123.32
        81          5          4     137.89
        83          5          4     137.89
        84          5          4     137.89
       101          6          5     168.72
       115          7          5     183.29
       121          5          7     186.67
      1000         41         56    1507.93
      1051         43         59    1585.85