finder    roll    pitch     yaw
------    ----    -----    ----
   0       1.4   -13.1    -12.2
   3       1.2   -14.1    -15.1
   6       1.2   -15.4    -18.4
   9       0.8   -16.8    -22.1
  12       0.0   -17.5    -25.5
  15      -1.0   -17.3    -27.8
  18      -1.6   -15.7    -28.3
  21      -1.0   -13.5    -27.0