2
1
1
1
1
3
2
1
1
1
1
6
11
1
2
1
1
2
1
10
1
1
1
2
20
2
1
1
1
1
1
1
1
2
1
1
1
1
1
3
1
1
1
1
2
1
1
1
1
1