Observation	y	x1	x2	x3
1	0	0	4	91.5
2	1	0	4	84
3	0	0	4	76.5
4	0	0	5	69
5	0	0	5	61.5
6	0	0	5	80
7	1	0	6	72.5
8	0	0	6	65
9	0	0	6	57.5
10	2	0	7	50
11	1	0	7	103
12	1	0	7	95.5
13	1	0	8	88
14	1	0	8	80.5
15	2	0	8	73
16	3	1	7	116.1
17	1	1	7	100.6
18	1	1	7	85
19	1	1	10	69.4
20	2	1	10	53.9
21	0	1	10	112.3
22	1	1	12	96.7
23	1	1	12	81.1
24	2	1	12	65.6
25	5	1	8	50
26	1	1	8	120
27	1	1	8	104.4
28	5	1	14	88.9
29	5	1	14	73.7
30	7	1	14	57.8