day	run	conc	y
1	1	1	41.2
1	1	1	42.6
1	2	1	41.2
1	2	1	41.4
2	3	1	39.8
2	3	1	40.3
2	4	1	41.5
2	4	1	43
3	5	1	41.9
3	5	1	42.7
3	6	1	45.5
3	6	1	44.7
1	1	2	135.7
1	1	2	136.8
1	2	2	143
1	2	2	143.3
2	3	2	132.4
2	3	2	130.3
2	4	2	134.4
2	4	2	130
3	5	2	137.4
3	5	2	135.2
3	6	2	141.1
3	6	2	139.1
1	1	3	163.2
1	1	3	163.3
1	2	3	181.4
1	2	3	180.3
2	3	3	173.6
2	3	3	173.9
2	4	3	174.9
2	4	3	175.6
3	5	3	166.6
3	5	3	165.5
3	6	3	175
3	6	3	172