3
  0.911367   0.402491  0.0860865 0.00962827
  0.320928  -0.563935  -0.760909   0.055356
 -0.257712   0.721095  -0.643123    0.72984
         0          0          0          1
  0.979955  -0.126053   0.154267 -0.0113934
 0.0383286  -0.640602  -0.766917  -0.127285
  0.195496   0.757456  -0.622929   0.962927
         0          0          0          1
  0.736246  -0.673739  0.0633887  -0.251752
  -0.39032  -0.499309  -0.773525 -0.0344813
  0.552804   0.544763  -0.630588   0.810678
         0          0          0          1
