3
  0.946847   0.286158   0.146951    0.10125
  0.321435  -0.823645  -0.467214  0.0090943
-0.0126622   0.489615  -0.871847   0.810586
         0          0          0          1
 0.957601  -0.25023  0.142775 0.0391741
-0.154414 -0.864178 -0.478908 -0.247977
  0.24322  0.436557 -0.866177  0.939193
        0         0         0         1
  0.648222  -0.750363   0.129474  -0.175088
 -0.625387  -0.621641  -0.471651 -0.0854048
  0.434395   0.224763  -0.872229   0.811367
         0          0          0          1
