  1  -3.5   27.9
  2  -1.2   24.5
  3   4.0   30.9
  4   7.6   30.6
  5  12.4   35.8
  6  16.9   24.1
  7  21.7   12.9
  8  20.8   13.6
  9  15.4   22.7
 10   8.5   25.1
 11   1.7   24.2
 12  -3.4   27.7
