input:

600
1 0 -1.3 3.4 0.5 1.1 2.3
2 0 0 3 0 0 4
3 3.1 0.2 4.3 0.4 0 0.8
4 2.3308 4.7666 -0.1720 1.4352 0.9338 2.8825
5 -1.9106 -7.2064 1.4390 1.9147 0.2545 -1.1857
6 -10.2378 0.8676 -1.7770 -1.8924 -3.1621 -1.4110
7 9.1987 5.1511 -1.6552 -1.9444 1.0693 -0.2511
8 3.7029 -1.5971 -2.1951 0.2352 0.4099 -0.64...

output:

1 1.40456 0.82890
2 1.56047 0.74902
3 3.87699 0.40167
4 1.28558 3.36163
5 -0.06619 -2.09377
6 -3.38510 -1.34009
7 1.67768 0.15932
8 1.27988 -0.88248
9 4.05685 0.90668
10 2.46050 3.79122
11 3.91543 -1.56405
12 0.46826 -6.37708
13 1.90043 5.99650
14 1.28489 2.24963
15 3.56088 3.29351
16 0.95492 1.2952...

result:

ok 600 lines