3
  0.743308  -0.625022  -0.238412 0.00328778
  0.625093   0.522047   0.580281   0.157281
 -0.238226  -0.580358   0.778738   0.945776
         0          0          0          1
  0.972553   0.110551  -0.204742  0.0765974
 0.0441885   0.776159   0.628988 -0.0826901
  0.228447  -0.620771    0.74997    1.09155
         0          0          0          1
  0.798237   0.454153   -0.39568  -0.236186
 -0.203936   0.821874   0.531914 -0.0559288
   0.56677    -0.3439   0.748669   0.989964
         0          0          0          1
