3
  0.263994    0.82397   0.501378  0.0786564
  -0.85637 -0.0389324   0.514893    -0.1601
  0.443776  -0.565294   0.695346   0.903706
         0          0          0          1
-0.194121  0.860674  0.470699 -0.152906
-0.740733 -0.443184  0.504878 0.0415987
 0.643142 -0.250655  0.723561  0.899538
        0         0         0         1
-0.617291  0.617049  0.488061 0.0902646
-0.389575 -0.778706   0.49178 0.0701506
 0.683509  0.113435  0.721075  0.714479
        0         0         0         1
