eff	treatment	block
1	8.25	1	1
2	11	1	2
3	10.25	1	3
4	9.5	1	4
5	8.75	1	5
6	11.25	2	1
7	12.5	2	2
8	12	2	3
9	9.75	2	4
10	11	2	5
11	10.75	3	1
12	11.75	3	2
13	11.25	3	3
14	9	3	4
15	10	3	5