3
  -0.650882   -0.759177 -0.00170776  -0.0220699
  -0.517223    0.445087   -0.731011   -0.219665
   0.555727   -0.474919   -0.682364    0.881398
          0           0           0           1
  -0.561279   -0.827621 -0.00333386     -0.1514
  -0.559991    0.382737   -0.734794  -0.0514378
   0.609406   -0.410557   -0.678283    0.668371
          0           0           0           1
 -0.600753  -0.799426 0.00385902   0.150972
 -0.525558     0.3913  -0.755429 -0.0666994
  0.602399  -0.455854  -0.655219    0.69746
         0          0          0          1
