3
 0.644697 -0.761577 0.0660796 0.0731065
 0.557479  0.527542  0.641028   0.17798
-0.523052 -0.376431  0.764668   0.99858
        0         0         0         1
  0.965459  -0.251427  0.0683662   0.177715
  0.138895   0.718624   0.681387 -0.0569749
 -0.220448  -0.648355   0.728724     1.1315
         0          0          0          1
  0.848756   0.505043    0.15667  -0.110505
 -0.467557   0.578391   0.668471 0.00740469
   0.24699  -0.640621   0.727049    1.13354
         0          0          0          1
