3
  0.997526   0.041506  -0.056736   0.163437
 0.0167969  -0.924438  -0.380963  0.0959655
-0.0682611   0.379067  -0.922848   0.980745
         0          0          0          1
  0.858674  -0.511581 -0.0310494  0.0318757
 -0.488965  -0.799548  -0.348765  -0.155368
  0.153596   0.314658  -0.936696    1.07019
         0          0          0          1
  0.501351  -0.863731 -0.0511403  -0.127253
 -0.823337  -0.458063  -0.335104  0.0783066
  0.266014    0.21011  -0.940792   0.995914
         0          0          0          1
