finder    roll    pitch     yaw
------    ----    -----    ----
   0       3.7   -21.4    -30.0
   3       4.1   -20.1    -30.9
   6       7.4   -20.6    -32.4
   9       6.6   -19.4    -33.9
  12       6.6   -19.5    -35.2
  15       6.0   -19.8    -35.3
  18       5.0   -18.9    -34.1
  21       4.9   -18.9    -32.6
  24       3.9   -17.8    -29.5