3
 -0.839783   0.526754   0.131508  -0.221765
 -0.325886  -0.682798     0.6539 -0.0726243
  0.434238   0.506278   0.745064   0.936168
         0          0          0          1
 -0.984227   0.115996   0.133579 -0.0714215
0.00268735  -0.745164   0.666876  0.0956307
  0.176893   0.656716   0.733099   0.736968
         0          0          0          1
 -0.296361  -0.944289   0.143137   0.083679
  0.670522 -0.0989892   0.735256 -0.0992928
 -0.680126   0.313877   0.662503   0.902174
         0          0          0          1
