3
  -0.68683   0.700492   0.193845  -0.108282
  0.494334   0.645732  -0.581948 -0.0348964
 -0.532822  -0.303875  -0.789785   0.724998
         0          0          0          1
-0.161792  0.973952  0.158877  0.182522
 0.753091  0.225902 -0.617918 0.0352231
-0.637712  0.019675 -0.770024  0.714087
        0         0         0         1
 0.441603  0.870145  0.218711 0.0781574
 0.721113  -0.19918 -0.663569 -0.181881
-0.533838  0.450749 -0.715431  0.888442
        0         0         0         1
