3
1
1
1
1
1
1
1
1
2
1
1
3
1
1
1
1
2
1
1
2
6
1
1
1
1
1
1
2
1
2
1
1
1
3
2
1
2
7
1
1
1
2
3
1
1
1
1
1
1