3
 -0.753774   0.636105   0.164911  0.0606082
 -0.403458  -0.646069   0.647933 -0.0232747
  0.518697    0.42186   0.743631      1.009
         0          0          0          1
  -0.985501    0.124242     0.11555 -0.00423986
 -0.0226594   -0.771304    0.636064    0.189845
    0.16815    0.624223    0.762936    0.810393
          0           0           0           1
-0.904112 -0.406707  0.131034  0.286716
 0.392115 -0.667854  0.632627 0.0927029
-0.169783  0.623346  0.763291  0.847489
        0         0         0         1
