7.0  35   0
   8.0  34   0
   8.6  35   0
  10.2  35   0
   9.4  38  10
  10.5  38  10
  12.3  38  10
  11.6  38  10
  11.0  42  20
  12.4  42  20
  13.6  41  20
  14.2  42  20