3
  -0.991168   -0.132469 -0.00609025   -0.145176
  -0.111042    0.854198   -0.507951    -0.15374
  0.0724903   -0.502789   -0.861364    0.895705
          0           0           0           1
 -0.920542   0.389676  0.0274548 -0.0448425
   0.31902   0.790469  -0.522863  0.0720389
 -0.225449  -0.472559  -0.851975   0.736848
         0          0          0          1
-0.549062  0.835774 0.0034074  0.143613
 0.704826  0.465218 -0.535531 -0.120289
-0.449168 -0.291638 -0.844509  0.867294
        0         0         0         1
