finder    roll    pitch     yaw
------    ----    -----    ----
   0      -3.7     23.2     9.7
   3      -3.7     23.4    10.6
   6      -2.0     23.0     9.4
   9      -2.8     22.5     8.8
  12      -2.6     21.8     8.0
  15      -2.6     21.1     6.8
  18      -1.2     20.7     5.7
  21      -0.8     20.9     5.2