2
  0.485727  -0.873283 -0.0380365  0.0258371
  0.606907   0.305611   0.733666   0.034183
 -0.629073  -0.379446   0.678445   0.727886
         0          0          0          1
  0.800755  -0.596255 -0.0572014   0.196941
  0.458785    0.54912   0.698558  -0.121906
 -0.385108  -0.585617   0.713263   0.922498
         0          0          0          1
