3
 -0.691831   0.704275   0.159271  -0.108344
  0.517754   0.637608  -0.570427 -0.0581772
  -0.50329  -0.312175  -0.805759   0.722044
         0          0          0          1
  -0.231099    0.956479    0.178162     0.17938
   0.743647    0.291729   -0.601567   0.0220796
  -0.627361 -0.00653177   -0.778701    0.700751
          0           0           0           1
 0.325842  0.924196  0.199223 0.0885873
 0.760469 -0.131014 -0.636021 -0.198916
-0.561707  0.358745 -0.745512  0.879096
        0         0         0         1
