    2   15     100.0    7   15     100.0    1    0
   14   15     100.0   19   15     100.0    1    0
   20    2       0.0   20    5       0.0    2    0
    1   16       0.0    1   19       0.0    2    0
   20    8       0.0   20   14       0.0    2    0
   15    6      50.0   20    6      50.0    1    0
   15    7      50.0   20    7      50.0    1    0
   15    8      50.0   15    9      50.0    1    0
   16    8      50.0   16    9      50.0    1    1
200.0               value of constant internal value
