3
  0.974872 -0.0272423  -0.221093   0.164994
 -0.196082  -0.575943  -0.793626  -0.026442
 -0.105717   0.817036  -0.566813   0.699349
         0          0          0          1
 0.792877 -0.570951 -0.212981  0.021698
-0.463891 -0.338873 -0.818517 -0.185834
 0.395159  0.747783 -0.533544  0.909714
        0         0         0         1
   0.36537  -0.867556  -0.337419  -0.125979
 -0.715639 -0.0299845  -0.697826  0.0228087
  0.595286   0.496435  -0.631813   0.739552
         0          0          0          1
