3
  0.927126  -0.367731 -0.0721851  -0.010389
  0.305032   0.628616     0.7154   0.250401
 -0.217698  -0.685285   0.694976    0.89145
         0          0          0          1
   0.957229    0.206374   -0.202787  -0.0487331
-0.00553498    0.713815    0.700313    0.036113
   0.289279   -0.669237    0.684426     1.10125
          0           0           0           1
 0.713609  0.692462 -0.106105 -0.291248
-0.441949  0.562516  0.698754  0.142473
 0.543546 -0.451745  0.707449  0.941045
        0         0         0         1
