3
  0.908513    0.38899   0.152615   0.227027
 -0.372244   0.587498   0.718527 0.00769496
  0.189839  -0.709601   0.678549   0.885449
         0          0          0          1
  0.177236   0.973324   0.145695 -0.0813052
 -0.718012  0.0266342   0.695521  0.0177537
  0.673087  -0.227882   0.703579   0.930169
         0          0          0          1
   0.52642   0.847425 -0.0689373  0.0522092
 -0.523272   0.386826    0.75931   0.194374
  0.670125  -0.363644   0.647067   0.717001
         0          0          0          1
