20 3
-1.187034 -0.762331 0.786965 
-2.528925 0.357045 4.515422 
1.072326 -1.594895 -0.891873 
0.527451 3.282811 3.050647 
0.342502 0.791027 2.412982 
7.458814 0.450270 -2.278777 
-0.869467 2.091305 -1.229302 
-3.612762 1.125427 2.996735 
1.013248 2.777505 0.768068 
4.587584 2.063277 -0.831362 
-0.873315 0.565368 2.305570 
0.638461 4.800105 1.837344 
1.001457 1.785256 3.299657 
2.499706 0.756697 -0.158730 
0.891187 1.897632 -0.622895 
-1.989470 0.662765 2.908556 
2.432976 0.054313 -0.645333 
-0.076761 -0.302338 4.074231 
2.316187 -2.852628 -0.322617 
1.878102 3.129168 -0.654576