3
  0.590321  -0.806816 -0.0238607  0.0589656
  0.454752   0.308013   0.835661   0.129169
 -0.666875  -0.504159   0.548727   0.639035
         0          0          0          1
  0.896677  -0.439603 -0.0521386   0.181812
  0.274177   0.459023   0.845059 -0.0175284
 -0.347558  -0.772041   0.532125   0.867302
         0          0          0          1
   0.968021    0.250835 -0.00410471   -0.118142
  -0.118538    0.471759    0.873723  0.00986329
   0.221097   -0.845297    0.486406    0.841122
          0           0           0           1
