3
  0.606437  -0.794176 -0.0389757  0.0410997
  0.614002   0.436584   0.657569    0.16693
 -0.505209  -0.422706   0.752386   0.938066
         0          0          0          1
   0.927232   -0.374434 -0.00627245    0.170364
    0.25912    0.629402    0.732606   -0.052367
  -0.270365   -0.680921    0.680625     1.07206
          0           0           0           1
  0.977514   0.188803  0.0939129  -0.119636
 -0.201421   0.704172   0.680862 -0.0142987
 0.0624182  -0.684468   0.726367     1.0818
         0          0          0          1
