Obs square cow time trt y 
1 1 1 1 1 39.2 
2 1 1 2 3 75.1 
3 1 1 3 2 36.4 
4 1 2 1 3 75.3 
5 1 2 2 2 50.2 
6 1 2 3 1 68.9 
7 1 3 1 2 51.1 
8 1 3 2 1 72.3 
9 1 3 3 3 89.0 
10 2 1 1 3 57.1 
11 2 1 2 1 49.3 
12 2 1 3 2 75.7 
13 2 2 1 1 42.2 
14 2 2 2 2 55.2 
15 2 2 3 3 53.8 
16 2 3 1 2 24.6 
17 2 3 2 3 58.0 
18 2 3 3 1 61.6 
19 3 1 1 2 35.0 
20 3 1 2 1 18.2 
21 3 1 3 3 73.8 
22 3 2 1 3 48.9 
23 3 2 2 2 69.8 
24 3 2 3 1 26.8 
25 3 3 1 1 54.6 
26 3 3 2 3 72.2 
27 3 3 3 2 65.3