N P  Y
1 1 11.2
1 1 10.9
1 1 11
1 2 12.6
1 2 13.2 
1 2 12.7
1 3 12.8
1 3 12.3
1 3 13.9
2 1 12
2 1 12.4
2 1 12.8
2 2 14
2 2 12.9
2 2 13.7
2 3 13.4 
2 3 14.7
2 3 14.1
3 1 10.9
3 1 9.8
3 1 10
3 2 11.3
3 2 11.7 
3 2 10.9
3 3 10.2
3 3 9.7
3 3 9.9