3
  0.551106   0.834434 0.00167666   0.139325
  0.667108  -0.439387  -0.601587    0.12186
 -0.501247   0.332657  -0.798806   0.911313
         0          0          0          1
  0.905101    0.41799 -0.0779581   0.278276
  0.277422   -0.71947   -0.63671 -0.0840284
 -0.322227   0.554659  -0.767152    1.06559
         0          0          0          1
  0.986456  -0.161589 -0.0281623 -0.0240326
 -0.144179  -0.772365  -0.618599 -0.0693801
 0.0782069   0.614281  -0.785202     1.0585
         0          0          0          1
