3
  0.993386    -0.1066 -0.0426811   0.134492
  0.114722   0.937245   0.329259   0.142625
0.00490369  -0.331977   0.943275    1.07281
         0          0          0          1
  0.892398   0.450708 -0.0220833  0.0196366
 -0.411595   0.833063   0.369589  -0.109782
  0.184974  -0.320732   0.928933    1.15966
         0          0          0          1
   0.51704   0.855959 0.00200504  -0.158337
 -0.792953   0.478097    0.37769   0.111977
  0.322328  -0.196871    0.92593     1.0772
         0          0          0          1
