time	conc	lot
1	118	5	one
2	58	10	one
3	42	15	one
4	35	20	one
5	27	30	one
6	25	40	one
7	21	60	one
8	19	80	one
9	18	100	one
10	69	5	two
11	35	10	two
12	26	15	two
13	21	20	two
14	18	30	two
15	16	40	two
16	13	60	two
17	12	80	two
18	12	100	two