y	x	var3
6	1.5	1
7	1.8	2
4	1.8	3
10	2	4
10	1.3	5
6	1.6	6
4	1.2	7
7	1.9	8
2	1.8	9
3	1	10
6	1.4	11
5	.5	12
3	.8	13
3	1.1	14
4	.7	15