3
  0.826992  -0.561478  0.0287743 -0.0233859
  0.318141   0.509555   0.799462  0.0137653
 -0.463542  -0.651995   0.600026   0.664472
         0          0          0          1
 0.856408  0.515342 0.0314111 -0.166516
-0.342173  0.520968  0.781991 -0.143487
 0.386629 -0.680452  0.622497  0.886572
        0         0         0         1
-0.0916869   0.988443   0.120722  -0.322959
 -0.549612  -0.151326   0.821601  0.0208568
  0.830374 0.00897965   0.557135   0.674404
         0          0          0          1
