-0.43 21.5  1.5
 -0.38 18.5  2.0
 -0.33 24.0  5.5
 -0.28 23.5  8.0
 -0.13 34.0  9.0
  0.19 24.0 10.5
  0.22 36.5  7.0
  0.28 40.0  6.0
  0.32 47.5  5.0
  0.38 47.5  5.5
  0.42 44.5  8.0