2
 -0.506846   0.841761   0.185863    0.14266
 -0.430288  -0.433871   0.791586 -0.0295453
  0.746967   0.321237   0.582105   0.966571
         0          0          0          1
 -0.874789   0.456128   0.163374 -0.0268334
 -0.159466   -0.58947   0.791894   0.156878
  0.457509   0.666688   0.588399   0.794454
         0          0          0          1
