20 3
-0.466136 -0.332087 0.924815 
1.447026 0.595832 2.053271 
-1.529250 0.022688 0.095285 
1.614526 0.501273 -0.323840 
0.554217 0.642443 0.182625 
-2.027476 1.023081 -3.491542 
0.109490 -1.551331 -0.355111 
1.398557 -0.513475 1.917180 
0.778411 -0.246455 -0.903532 
-0.495902 0.374495 -2.370532 
0.615062 0.279465 0.818865 
2.047507 -0.323744 -0.980542 
1.179634 0.894583 -0.142931 
-0.593471 0.248917 -1.129782 
0.066095 -0.637925 -0.819308 
0.967954 0.030349 1.351097 
-1.086374 0.240265 -1.046181 
0.618718 1.305034 1.023491 
-2.115382 0.681729 0.008709 
0.334273 -0.547413 -1.650984