3
  0.989412    0.14352  0.0215826 -0.0284932
  0.124995  -0.767073  -0.629265   0.112365
 -0.073757   0.625301  -0.776891   0.797025
         0          0          0          1
 0.931736 -0.362163 0.0265668 -0.124154
-0.261882 -0.720819 -0.641747 -0.104626
 0.251567  0.590981 -0.766457  0.972361
        0         0         0         1
   0.557975   -0.829857 -5.0012e-05   -0.313217
  -0.647318   -0.435203   -0.625762   0.0673496
   0.519272    0.349192   -0.780014    0.816939
          0           0           0           1
