3
  0.939246  -0.127716  -0.318598 -0.0205279
  0.297123    0.76725   0.568371   0.310149
  0.171854  -0.628503   0.758585    0.95871
         0          0          0          1
 0.918601  0.296106 -0.261714  -0.10576
-0.103611  0.819543  0.563573 0.0555894
 0.381363 -0.490582  0.783513     1.108
        0         0         0         1
 0.581334  0.773792  -0.25159 -0.306078
 -0.55749  0.604011   0.56954   0.20358
 0.592669 -0.190834  0.782513  0.925254
        0         0         0         1
