3
  0.553724  -0.832552 -0.0157213  0.0559119
  0.669457   0.433865   0.602983  0.0715395
 -0.495194  -0.344411   0.797599   0.897248
         0          0          0          1
 0.847497 -0.522955 0.0909215  0.204462
 0.330278  0.653635  0.680938 -0.153766
 -0.41553 -0.547064  0.726675   1.00528
        0         0         0         1
   0.986165    0.123465    0.110616  -0.0936519
  -0.165769    0.735197    0.657272   -0.132803
-0.00017438   -0.666515    0.745492     1.01759
          0           0           0           1
