3
  0.930335  -0.226864   0.288115   0.202283
0.00149794  -0.783315  -0.621623 -0.0597471
  0.366709   0.578749  -0.728405   0.800232
         0          0          0          1
 0.407037 -0.869314  0.280381 -0.057662
-0.633604 -0.489819 -0.598852 -0.208576
 0.657927 0.0661049 -0.750175  0.808393
        0         0         0         1
  0.299938   -0.91511   0.269466 -0.0239609
 -0.678949  -0.403204  -0.613559  0.0274734
  0.670124 0.00107558  -0.742249   0.627345
         0          0          0          1
