3
group
1
1
4
8
2
1
4
2
3
1
1
3
4
1
5
2
1
3
4
0
1
0
3
2
4
2
1
2
4
1
3
4
7
6
1
3
2
6
3
3
2
1
2
0
0
2
2
4
2
0
2
0
2
0
1
9
1
4
1