3
  0.900013   0.376861    0.21898    0.24929
 -0.407067   0.547187   0.731357 -0.0172414
  0.155796   -0.74737   0.645883   0.837534
         0          0          0          1
  0.0477729    0.977128    0.207217  -0.0527478
   -0.67199   -0.122046    0.730434 -0.00469747
   0.739017   -0.174143     0.65079    0.915892
          0           0           0           1
  0.44802  0.866867  0.218675 0.0633341
-0.655302  0.152028   0.73991  0.162662
 0.608159 -0.474793  0.636171  0.686626
        0         0         0         1
