3
    0.9563 -0.0332967  -0.290484   0.246735
 -0.214311  -0.755655  -0.618916  0.0388403
 -0.198897   0.654124  -0.729769   0.693252
         0          0          0          1
 0.771173 -0.531427 -0.350538 0.0945184
-0.624712 -0.525672 -0.577412 -0.154355
 0.122584   0.66427 -0.737373  0.865866
        0         0         0         1
  0.492401  -0.821907  -0.286375 -0.0470466
 -0.757468  -0.242606  -0.606122    0.10172
    0.4287   0.515375  -0.742028   0.754956
         0          0          0          1
