3
 -0.674768  -0.701055   0.230676 -0.0366129
  0.656055  -0.426603   0.622577   0.160331
 -0.338053   0.571431   0.747789   0.932452
         0          0          0          1
-0.205012 -0.939776  0.273479  0.251252
 0.773988 0.0153641  0.633013  0.159262
-0.599093  0.341445  0.724226  0.815066
        0         0         0         1
  0.373792   -0.88912   0.264093     0.1673
  0.622869   0.451605   0.638818 -0.0358033
 -0.687252 -0.0742897   0.722611    1.03338
         0          0          0          1
