f
  x 187.09322   y 59.58215   z 50.21129

c
  x 137.18654   y 60.07540   z 47.19793

u
  x -0.06012   y 0.01497   z 0.99808

r
  x 0.01075   y 0.99984   z -0.01434

m
0.10531
