x1	x2	y
7.0	1.0	-0.4
-0.3	0.5	-1.5
6.8	0.5	1.4
15.4	1.5	2.9
9.8	-1.3	1.0
15.4	1.2	1.6
-1.7	-0.9	0.1
-4.5	0.7	2.3
16.1	1.4	0.5
-0.7	0.8	1.4
4.6	-1.0	2.7
20.5	1.6	1.0
4.1	-1.1	2.4
18.4	2.5	2.0
11.3	1.8	2.2
29.9	3.2	1.3
-1.4	-1.8	-0.3
11.4	-1.2	1.2
19.4	2.3	1.2
25.8	1.4	2.4
7.3	3.0	2.3
10.4	1.7	1.1
2.0	-1.4	-0.8
31.1	3.1	2.4
5.8	-0.6	0.2
9.2	0.5	3.6
7.2	0.8	1.1
22.0	3.4	3.6
18.2	1.3	1.9
19.3	2.6	1.4