time	group
1.2	male
1.2	male
1.3	male
1.9	male
1.9	male
2	male
2.1	male
2.2	male
2.2	male
2.3	male
2.3	male
2.4	male
2.7	male
2.9	male
3.3	male
2	female
2.2	female
2.4	female
2.4	female
2.4	female
2.8	female
2.8	female
2.8	female
2.9	female
3.2	female
3.7	female
4	female
5.4	female
10.7	female
11.7	female