3
2
1
2
1
1
1
2
1
1
2
1
3
1
1
1
2
4
3
3
5
4
1
2
1
1
2
1
2
1
1
1
3
1
1
1
2
3
2
1
2
1
1
1
2
1
1
2
1
3
1
1
1
2
4
3
3
5
4
1
2
1
1
2
1
2
1
1
1
3
1
1
1
2