4
average
2
1
0
2
5
2
2
3
2
1
2
2
2
0
4
1
2
3
5
3
0
2
1
5
3
7
3
5
2
3
2
3
2
3
1
1
0
4
4
4
3
3
6
6
0
4
5
2
3
