3
  -0.956987   -0.290031 -0.00767765  -0.0867242
  -0.233593    0.785918   -0.572508   -0.135177
   0.172079   -0.546089   -0.819863    0.851602
          0           0           0           1
 -0.973842   0.226924  0.0117463 -0.0371648
  0.172279   0.771063   -0.61301  0.0807515
 -0.148164  -0.594951  -0.789988   0.657767
         0          0          0          1
  -0.64037   0.767821  0.0194227   0.190787
  0.575882   0.496717  -0.649332 -0.0628302
 -0.508218  -0.404628  -0.760257   0.792618
         0          0          0          1
