3
  0.648734  -0.753418  -0.107264 0.00720924
  0.606621   0.426849   0.670679   0.208701
 -0.459516  -0.500161   0.733951   0.991787
         0          0          0          1
   0.919271   -0.379735   -0.103647    0.125179
   0.317244    0.558867    0.766175 -0.00456804
  -0.233018   -0.737204    0.634219     1.14325
          0           0           0           1
 0.947797  0.318661 0.0116872 -0.169031
-0.237959  0.682415  0.691148 0.0249019
 0.212267 -0.657849  0.722619   1.11794
        0         0         0         1
