3
  0.984195  -0.169774 -0.0503715   0.122122
  0.176296   0.912423   0.369329   0.147371
-0.0167424  -0.372372   0.927933    1.06753
         0          0          0          1
  0.894124   0.446514 -0.0341663  0.0111722
 -0.404778   0.838468   0.364864  -0.114507
  0.191564  -0.312404   0.930434    1.15558
         0          0          0          1
  0.541277   0.840627 -0.0191308  -0.174907
 -0.784898   0.513293   0.347081   0.101585
  0.301585  -0.172851    0.93764    1.06955
         0          0          0          1
