3
  0.129484  -0.991574 0.00382638   0.074918
  0.721771  0.0968967   0.685316   0.116039
 -0.679912 -0.0859758   0.728236    0.71481
         0          0          0          1
   0.918566   -0.395256 -0.00305214     0.21139
   0.286067    0.659445    0.695196  -0.0830236
  -0.272768   -0.639457    0.718814    0.903055
          0           0           0           1
   0.985029    0.172219 -0.00761815  -0.0919673
  -0.108819    0.655461    0.747348   -0.059388
   0.133701   -0.735331    0.664389    0.892059
          0           0           0           1
