3
  0.979231  -0.196827 -0.0486444   0.163765
  0.180383   0.736213   0.652267 -0.0219927
-0.0925713  -0.647494   0.756427   0.709451
         0          0          0          1
   0.936592    0.350355 -0.00690098    0.079121
  -0.265523    0.722389    0.638476   -0.249191
   0.228679   -0.596159     0.76961    0.874486
          0           0           0           1
  0.596461   0.801998  0.0321376  -0.119785
 -0.625055   0.439002   0.645433 -0.0656422
  0.503528  -0.405063   0.763141   0.745382
         0          0          0          1
