2
1
1
1
2
1
1
3
1
1
1
1
1
1
1
4
1
1
7
1
2
1
2
1
1
3
3
1
1
8
1
1
1
1
1
1
1
1
1
1
10
1
1
1
1
1
1
2
1
1