3
 -0.932631   0.269138   0.240341   -0.17664
  0.115475   0.853668  -0.507856 -0.0399369
 -0.341854  -0.445889  -0.827236   0.882557
         0          0          0          1
-0.664959  0.677812  0.313691 0.0281143
 0.469082  0.705841 -0.530802  0.140828
-0.581199 -0.205815 -0.787304  0.767206
        0         0         0         1
 -0.178441   0.938959   0.294134   0.103044
  0.707381   0.330204  -0.624962 -0.0630828
 -0.683939  0.0965459  -0.723123   0.975378
         0          0          0          1
