3
  0.660203   0.744859 -0.0965207  0.0192225
 -0.549714   0.566759   0.613677  -0.164147
  0.511807  -0.352093   0.783635   0.972807
         0          0          0          1
 0.408883  0.906261 -0.107261  -0.27522
-0.704881  0.388283  0.593616 -0.154079
 0.579619 -0.167114  0.797568  0.908834
        0         0         0         1
  0.139228    0.98607 -0.0910079 -0.0928944
 -0.779979   0.165822   0.603436  0.0426981
  0.610121 -0.0130306   0.792201   0.793122
         0          0          0          1
