3
 0.875742  0.481927 0.0286706    0.1285
 0.388068 -0.667369 -0.635627  0.107914
-0.287192  0.567771 -0.771464  0.867078
        0         0         0         1
 0.952898 -0.287848 0.0955451  0.110695
-0.129687 -0.671488 -0.729579 -0.147317
 0.274165  0.682823  -0.67719   1.01713
        0         0         0         1
  0.709211  -0.704764 -0.0180861  -0.144469
 -0.541884  -0.528534  -0.653463 0.00492647
  0.450978   0.473244  -0.756742    0.92588
         0          0          0          1
