y	X1	X2	X3  
21.1  	8	35	0
23.6  	5	43	0
19.3  	2	51	1
33.0  	15	60	1
28.6  	11	73	0
35.0  	14	80	1
32.0  	9	76	0
26.8  	7	54	1
38.6  	22	55	1
21.7  	3	90	1
15.7  	1	30	0
20.6  	5	44	0
41.8  	23	84	1
36.7  	17	76	0
28.4  	12	68	1
23.6  	14	25	0
31.8  	8	90	1
20.7  	4	62	0
22.8	2	80	1
32.8  	8	72	0