3
  0.928013  -0.367391 -0.0617756  0.0599636
  0.333187   0.744291   0.578808  0.0878003
  -0.16667  -0.557724   0.813121   0.908819
         0          0          0          1
   0.953609    0.282116   -0.105075 -0.00565349
  -0.187921    0.830507    0.524351   -0.164772
   0.235194    -0.48028    0.844994      1.0606
          0           0           0           1
   0.644296    0.758616  -0.0968738   -0.225502
  -0.619854    0.592193    0.514868 -0.00328273
   0.447955   -0.271679    0.851778    0.929527
          0           0           0           1
