3
  0.933051   0.280601   0.225122   0.262728
 -0.351759     0.5805    0.73436 -0.0271886
 0.0753783  -0.764384    0.64034   0.831435
         0          0          0          1
  0.720768   0.665579   0.193643 -0.0353776
 -0.563612    0.40009   0.722682 -0.0233938
  0.403528  -0.630026   0.663501   0.910352
         0          0          0          1
 0.423907  0.877738  0.223337 0.0739129
-0.681682  0.146844  0.716761  0.149889
 0.596333 -0.456085  0.660586  0.686277
        0         0         0         1
