y	x1	x2	x3
25.5	1.74	5.30	10.8
31.2	6.32	5.42	9.4
25.9	6.22	8.41	7.2
38.4	10.52	4.63	8.5
18.4	1.19	11.60	9.4
26.7	1.22	5.85	9.9
26.4	4.10	6.62	8.0
25.9	6.32	8.72	9.1
32.0	4.08	4.42	8.7
25.2	4.15	7.60	9.2
39.7	10.15	4.83	9.4
35.9	1.72	3.12	7.6
26.5	1.70	5.30	8.2