3
  0.604864  -0.772045  -0.195158 -0.0336203
  0.670681   0.361765   0.647544   0.185848
 -0.429332  -0.522565   0.736615    0.96008
         0          0          0          1
   0.971491   -0.220498  -0.0870991   0.0832532
   0.178386    0.437885    0.881156 -0.00512213
  -0.156153   -0.871572    0.464735     1.11738
          0           0           0           1
  0.968834   0.163992  -0.185653  -0.203654
 0.0257882    0.67863   0.734028 -0.0118381
  0.246364  -0.715939   0.653251    1.06894
         0          0          0          1
