3
  0.840148  -0.542354 0.00166197   0.103174
  0.289193    0.45057   0.844604   0.209026
 -0.458823  -0.709112    0.53539   0.675949
         0          0          0          1
  0.973474  -0.228793 -0.0016592  0.0629559
  0.128971   0.542729   0.829947  0.0412482
 -0.188985  -0.808146   0.557839   0.934638
         0          0          0          1
   0.938598    0.344958 -0.00609032   -0.179061
  -0.174097    0.488795    0.854851    0.147607
   0.297864   -0.801302    0.518838    0.774163
          0           0           0           1
