3
 0.869101 -0.450872  0.203416  0.166127
 0.209888  0.708543  0.673732  0.155927
-0.447896 -0.542847  0.710427  0.887878
        0         0         0         1
  0.933129   0.351191  0.0770419   0.140881
 -0.263175   0.521164   0.811867 -0.0622279
  0.244969  -0.777852   0.578738    1.06613
         0          0          0          1
  0.720567   0.673834   0.163495 -0.0975937
 -0.573306   0.446357   0.687084  0.0765619
  0.390004  -0.588823   0.707944   0.983828
         0          0          0          1
