3
  0.989412   -0.14352 -0.0215826 -0.0271546
  0.124995   0.767073   0.629265   0.173476
 -0.073757  -0.625301   0.776891   0.887722
         0          0          0          1
  0.931736   0.362163 -0.0265668  -0.128559
 -0.261882   0.720819   0.641747 -0.0425709
  0.251567  -0.590981   0.766457    1.06232
         0          0          0          1
   0.557975    0.829857 5.00845e-05   -0.320262
  -0.647318    0.435203    0.625762    0.129651
   0.519272   -0.349192    0.780014    0.906555
          0           0           0           1
