lines	time
1	0.270834
2	0.553376
3	0.790659
4	1.064784
5	1.281983
6	1.536749
7	1.759622
8	2.049555
9	2.283148
10	2.506050
11	2.710790
12	3.005622
13	3.287575
14	3.502150
15	3.690313
16	3.929201
17	4.235240
18	4.453683
19	4.635291
20	4.931866
21	5.191092
22	5.496423
23	5.753829
24	5.982084
25	6.209215
26	6.351503
27	6.606475
28	7.095333
29	7.222243
30	7.421158