3
  -0.644264   -0.756722   -0.110884 -0.00161087
  -0.557029    0.563626   -0.609954   -0.187109
   0.524063   -0.331206   -0.784641    0.858581
          0           0           0           1
 -0.952246   -0.29684 -0.0715075  -0.114919
 -0.198288     0.7793  -0.594453  0.0239314
  0.232183  -0.551886  -0.800945   0.682287
         0          0          0          1
 -0.966169   0.245514 -0.0789989   0.184878
   0.24345   0.767038   -0.59362 -0.0246147
-0.0851471   -0.59277  -0.800858   0.700028
         0          0          0          1
