3
 -0.910986   0.345017   0.225981  -0.186219
  0.188692   0.835863  -0.515489 -0.0357152
 -0.366742  -0.426962  -0.826562   0.875884
         0          0          0          1
-0.637558  0.716499  0.283106  0.027964
 0.513282  0.669092 -0.537454  0.137189
-0.574509 -0.197345 -0.794351  0.763111
        0         0         0         1
 -0.450407   0.858415   0.245474  0.0775319
  0.561428   0.486092  -0.669711 -0.0767179
 -0.694213  -0.163826  -0.700878   0.970756
         0          0          0          1
