4
(
    // Time Linear (xyz) Rotation (xyz)
    (0      ((0 0 0)    (0 0 0)))
    (10     ((0 0 -0.80) (0 0 0)))
    (11     ((0 0 -0.80) (0 0 0)))
    (21     ((0 0 0) (0 0 0)))
)