3
 -0.747436   0.645122   0.158609  0.0715293
 -0.414877  -0.639745   0.646996 -0.0184427
  0.518861   0.417785   0.745815    1.00687
         0          0          0          1
   -0.982434     0.146026     0.116191 -0.000206962
  -0.0388399    -0.769004     0.638063     0.194006
    0.182525     0.622342     0.761167     0.807973
           0            0            0            1
-0.914613 -0.382785  0.130229  0.293559
 0.373373 -0.675973  0.635336  0.100482
-0.155166  0.629711  0.761175  0.840923
        0         0         0         1
