finder    roll    pitch     yaw
------    ----    -----    ----
   0      -9.7   -12.4    -20.3
   3     -11.2   -11.9    -22.3
   6     -13.5   -13.1    -24.2
   9     -14.0   -16.0    -30.2
  12     -14.9   -16.6    -36.2
  15     -18.0   -15.2    -41.2