3
  0.702446  -0.615923  -0.356662 -0.0657151
  0.690998   0.470082   0.549131   0.171766
 -0.170562  -0.632188   0.755809   0.945456
         0          0          0          1
   0.943211 -0.00828496   -0.332091   0.0154651
   0.218026    0.769686     0.60004  -0.0605473
   0.250634   -0.638369    0.727782     1.09936
          0           0           0           1
  0.909848   0.352565  -0.218803  -0.250088
 -0.154229   0.776874   0.610475 -0.0368699
  0.385214  -0.521694   0.761213   0.987955
         0          0          0          1
