3
 0.753773 -0.648204 -0.107972 0.0348819
 0.570281  0.563617  0.597592  0.134782
-0.326506 -0.512023  0.794498  0.948715
        0         0         0         1
  0.976726   0.145739  -0.157376   0.102718
0.00171397   0.728385   0.685166 -0.0979572
  0.214486  -0.669489   0.711182    1.09347
         0          0          0          1
  0.916417    0.39864 -0.0355864  -0.172943
 -0.301447   0.745995   0.593819 -0.0450387
  0.263267  -0.533459   0.803811    1.03085
         0          0          0          1
