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