3
  0.997129  0.0755369 0.00527094   0.136651
-0.0683201   0.867478   0.492761   0.103777
 0.0326492  -0.491707   0.870149   0.904589
         0          0          0          1
  0.779393   0.624615  0.0490173 -0.0192827
 -0.572188   0.677733   0.461822  -0.136949
  0.255241  -0.387988   0.885617   0.989097
         0          0          0          1
  0.369526   0.928018 -0.0472589  -0.172471
  -0.77715   0.336532   0.531774   0.123632
    0.5094  -0.159777   0.845567   0.880023
         0          0          0          1
