3
 -0.575949  -0.787987  -0.217621 -0.0746464
  0.688347  -0.611068   0.390865   0.115143
 -0.440978  0.0753191   0.894352    1.04241
         0          0          0          1
  -0.17027  -0.983904  0.0542301    0.24624
  0.770895 -0.0987238   0.629266   0.188807
 -0.613783   0.148951   0.775296    1.03002
         0          0          0          1
  0.477898   -0.87149  -0.110085   0.111673
   0.72107    0.31763   0.615767 -0.0764759
 -0.501668  -0.373653     0.7802     1.1324
         0          0          0          1
