A	B	C	Y
1	1	1	4.5924
1	1	1      -0.5488
1	1	2	6.1605
1	1	2	2.3374
1	2	1	5.1873
1	2	1	3.3579
1	2	2	6.3092
1	2	2	3.2831
2	1	1	7.3809
2	1	1	9.2085
2	1	2      13.1147
2	1	2      15.2654
2	2	1      12.4188
2	2	1      14.3951
2	2	2	8.5986
2	2	2	3.4945
3	1	1      21.3220
3	1	1      25.0426
3	1	2      22.6600
3	1	2      24.1283
3	2	1      16.5927
3	2	1      10.2129
3	2	2	9.8934
3	2	2      10.0203