3
  0.875742  -0.481927 -0.0286706   0.127293
  0.388068   0.667369   0.635627   0.175304
 -0.287192  -0.567771   0.771464   0.955176
         0          0          0          1
  0.952898   0.287848 -0.0955451  0.0986234
 -0.129687   0.671488   0.729579 -0.0694255
  0.274165  -0.682823    0.67719    1.09518
         0          0          0          1
 0.709211  0.704764 0.0180862 -0.145757
-0.541884  0.528534  0.653463 0.0751031
 0.450978 -0.473244  0.756742   1.01177
        0         0         0         1
