Y	X1	X2	X3	X4
78.50	7	26	6	60
74.30	1	29	15	52
104.30	11	56	8	20
87.60	11	31	8	47
95.90	7	52	6	33
109.20	11	55	9	22
102.70	3	71	17	6
72.50	1	31	22	44
93.10	2	54	18	22
115.90	21	47	4	26
83.80	1	40	23	34
113.30	11	66	9	12
109.40	10	68	8	12