lines	time
1	0.322786
2	0.661971
3	0.924628
4	1.239580
5	1.503971
6	1.799428
7	2.101107
8	2.407299
9	2.678432
10	3.003379
11	3.155037
12	3.545493
13	3.888322
14	4.094412
15	4.358953
16	4.637636
17	5.046660
18	5.225900
19	5.672588
20	5.940640
21	6.401612
22	6.396193
23	6.727196
24	7.245078
25	7.215716
26	7.710709
27	7.904560
28	8.328915
29	8.500895
30	8.973473