3
  0.461763  -0.882566 -0.0886131  0.0484481
  0.705726   0.305036   0.639456  0.0555163
 -0.537332  -0.357814   0.763704   0.850118
         0          0          0          1
 0.801486 -0.590792 0.0926541  0.230681
 0.357267  0.597292  0.718055 -0.144245
-0.479563 -0.542409  0.689792   0.97154
        0         0         0         1
  0.996822  0.0273824  0.0748138 -0.0709981
-0.0713048   0.725486   0.684534  -0.142985
-0.0355322  -0.687693   0.725132     1.0041
         0          0          0          1
