1
1
2
1
1
1
2
1
2
1
2
1
1
1
2
1
1
1
1
1
4
1
1
1
1
1
1
2
3
3
1
1
1
1
2
7
1
1
2
1
1
1
1
1
1
7
3
4
1
1