3
 0.379231 -0.879537 -0.287399 0.0748056
 0.746602  0.107379  0.656548  0.231609
-0.546598 -0.463556  0.697385  0.702934
        0         0         0         1
 0.647145 -0.736837 -0.195638  0.206397
 0.538045   0.25963  0.801935  0.107443
-0.540102 -0.624231   0.56447  0.941687
        0         0         0         1
   0.941253    0.280538   -0.187991  -0.0938709
-0.00162215    0.560426    0.828203   0.0648346
   0.337698   -0.779244    0.527958    0.900084
          0           0           0           1
