y	x_1	x_2	x_3
85.777	4.7	5.09	1.81
84.928	4.6	6.03	7.75
85.287	4.7	6.66	1.73
87.406	4.3	3.6	2.1
84.891	5.4	4.48	2.47
87.056	3.1	4.4	2.79
87.406	4.3	3.6	2.1
80.776	4.5	8.01	2.23
83.592	4.5	8.01	2.23
82.941	5.2	7.97	2.22
82.874	4.9	8.29	2.31
81.844	5.4	8.65	2.41
79.698	5.6	9.23	4.1
79.33	5.7	9.05	4.61
80.75	5.5	8.54	3.75
80.676	5.4	8.92	3.69
81.792	5.3	8.28	3.38
82.44	5	8.16	3.2
