3
  0.644697   0.761577 -0.0660797  0.0625153
  0.557479  -0.527542  -0.641028   0.109403
 -0.523052   0.376431  -0.764668   0.912039
         0          0          0          1
  0.965459   0.251427 -0.0683662   0.169213
  0.138895  -0.718624  -0.681387  -0.129259
 -0.220448   0.648355  -0.728724    1.04779
         0          0          0          1
  0.848756  -0.505043   -0.15667  -0.125439
 -0.467557  -0.578391  -0.668471 -0.0641979
   0.24699   0.640621  -0.727049    1.05015
         0          0          0          1
