2
 0.946944 -0.106376 -0.303284  0.039521
 0.281144  0.731425  0.621269 0.0831421
 0.155741 -0.673573  0.722526  0.686949
        0         0         0         1
  0.867141   0.406812   -0.28735 -0.0518774
 -0.171204   0.785241   0.595051  -0.156046
  0.467713  -0.466798   0.750563   0.846458
         0          0          0          1
