3
  0.882496  -0.405976  -0.237453   0.215795
 -0.430075  -0.492237  -0.756795 -0.0360648
  0.190357   0.769991  -0.608998   0.793308
         0          0          0          1
  0.396585  -0.887917  -0.233076 -0.0761627
 -0.666969   -0.10424  -0.737758 -0.0207464
  0.630771   0.448038  -0.633553   0.870111
         0          0          0          1
  0.39738 -0.889045 -0.227348 0.0363666
 -0.66038 -0.105031  -0.74355  0.140979
 0.637171  0.445608 -0.628845  0.635644
        0         0         0         1
