3
  0.989962  -0.121228 -0.0726569  0.0951394
  0.140323   0.904431   0.402882   0.161934
 0.0168726  -0.409034   0.912363    1.05713
         0          0          0          1
  0.915983   0.392991 -0.0808309 -0.0176237
 -0.330462   0.853228   0.403481  -0.100232
  0.227532  -0.342871   0.911411    1.14976
         0          0          0          1
  0.544307   0.836493 -0.0633187  -0.204967
 -0.761405   0.524308   0.381267   0.108945
  0.352125  -0.159315   0.922295    1.04934
         0          0          0          1
