Y	X1	X2	X3	X4
1	11	1	0	0	0
2	17	1	0	0	0
3	16	1	0	0	0
4	14	1	0	0	0
5	15	1	0	0	0
6	12	0	1	0	0
7	10	0	1	0	0
8	15	0	1	0	0
9	19	0	1	0	0
10	11	0	1	0	0
11	23	0	0	1	0
12	20	0	0	1	0
13	18	0	0	1	0
14	17	0	0	1	0
15	27	0	0	0	1
16	33	0	0	0	1
17	22	0	0	0	1
18	26	0	0	0	1
19	28	0	0	0	1