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