3
  0.220866   0.974988  0.0248036 0.00332802
  0.726606  -0.147529  -0.671028  0.0900849
 -0.650585    0.16623  -0.741017   0.779597
         0          0          0          1
  0.752209   0.658622  0.0199577   0.221209
  0.495407  -0.545312  -0.676171 -0.0596553
 -0.434458   0.518509  -0.736475   0.920902
         0          0          0          1
    0.98846    0.103579   -0.110534  -0.0632896
-0.00138863   -0.723463   -0.690362   -0.108047
  -0.151474    0.682549    -0.71497    0.974867
          0           0           0           1
