3
  0.549826  -0.831859 -0.0755145  0.0271945
  0.484068   0.243658   0.840422   0.188418
 -0.680713  -0.498639   0.536646   0.696081
         0          0          0          1
  0.922665  -0.384753 -0.0255754   0.125245
  0.220612   0.472317   0.853374  0.0379811
 -0.316259  -0.793021   0.520671   0.946804
         0          0          0          1
  0.85599  0.508718 0.0921215   -0.1629
-0.318537  0.378619  0.869012 0.0631558
 0.407203  -0.77321  0.486139  0.883721
        0         0         0         1
