3
 -0.679589   0.685422   0.261448  0.0856398
 -0.492401   -0.69038   0.530015 -0.0317987
  0.543783   0.231455   0.806678    1.03599
         0          0          0          1
 -0.842502  -0.537205  -0.040021 -0.0509393
  0.429621  -0.714877   0.551703    0.18131
 -0.324988   0.447617    0.83308   0.852375
         0          0          0          1
-0.942601 -0.323075 0.0844147  0.264172
 0.316036 -0.781513  0.537921  0.103726
-0.107818  0.533723  0.838758  0.865026
        0         0         0         1
