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