3
 0.893909  0.321416  0.312441   0.20552
-0.390894    0.9001  0.192412 0.0315097
-0.219383  -0.29413  0.930247   1.09748
        0         0         0         1
  0.617298   0.772215   0.150419 -0.0375226
 -0.778839   0.572823   0.255506  -0.141891
  0.111143  -0.274876   0.955034    1.17253
         0          0          0          1
  0.119605   0.984254   0.130148 -0.0951425
 -0.959972  0.0812086   0.268063   0.150433
  0.253273     -0.157    0.95457    1.11603
         0          0          0          1
