1
1
2
1
2
1
2
1
2
1
2
21
1
1
1
2
2
1
2
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
5
2
2
1
8
1
1
1
3
1
1
1
1
1
1
1