3
 -0.753139   -0.65696  0.0344224     -0.161
  0.568046  -0.623032   0.537731 -0.0659117
 -0.331821    0.42454   0.842414   0.799223
         0          0          0          1
  -0.229124   -0.973395  0.00191803    0.119756
   0.783101    -0.18316     0.59431 -0.00512716
  -0.578148    0.137673    0.804234    0.723376
          0           0           0           1
  0.32453 -0.944727    0.0466 0.0532516
 0.712157  0.276468  0.645289 -0.221244
-0.622505 -0.176229  0.762516  0.911045
        0         0         0         1
