subject treatment score1 score2 score3 score4
1 1 18 14 12 6
2 1 19 12 8 4
3 1 14 10 6 2
4 2 16 12 10 4
5 2 12 8 6 2
6 2 18 10 5 1
7 3 16 10 8 4
8 3 18 8 4 1
9 3 16 12 6 2
10 4 19 16 10 8
11 4 16 14 10 9
12 4 16 12 8 8