3
 0.445526  0.880434  0.162303 0.0480536
-0.731823  0.253726  0.632502 -0.170537
 0.515696 -0.400573  0.757363   0.97118
        0         0         0         1
 -0.638294   0.757617   0.136372  -0.239403
 -0.554837  -0.575581   0.600718 -0.0635124
  0.533608   0.307771   0.787744   0.927315
         0          0          0          1
    -0.10739     0.978172     0.177895 -0.000318825
   -0.760035    -0.196122     0.619582    0.0539962
    0.640948   -0.0686693     0.764507     0.785729
           0            0            0            1
