finder    roll    pitch     yaw
------    ----    -----    ----
   0      -1.4     3.2     -3.0
   3      -1.4     3.5     -3.3
   6      -1.7     3.1     -3.0
   9      -0.7     2.0     -4.4
  12      -1.3     1.0     -5.6
  15      -1.8     0.6     -6.5