3
 -0.726754  -0.685659 -0.0412311  -0.160423
  0.493866  -0.563299   0.662413   0.062816
 -0.477415   0.461049   0.748003   0.929888
         0          0          0          1
-0.245508 -0.969297  0.013766  0.136161
 0.714033 -0.171212  0.678855  0.128038
-0.655655  0.176494  0.734144  0.868241
        0         0         0         1
  0.267251  -0.962944 -0.0362686  0.0589214
  0.698577    0.16768    0.69561 -0.0747823
 -0.663752  -0.211239   0.717503    1.07691
         0          0          0          1
