3
  0.877185  -0.480114 0.00604272   0.217517
  0.345283    0.63949   0.686901  0.0737027
 -0.333655  -0.600453   0.726726   0.822847
         0          0          0          1
 0.906647  0.419847 0.0414602 0.0726056
-0.336678  0.660805  0.670809 -0.128449
  0.25424 -0.622146   0.74047   1.00486
        0         0         0         1
   0.880097     0.47478 -0.00361458   -0.085831
  -0.343782    0.642481     0.68486   0.0670786
    0.32748   -0.601501    0.728666    0.832994
          0           0           0           1
