2
1
1
1
1
1
1
2
2
2
2
2
2
1
1
1
6
3
1
1
1
2
4
2
4
2
3
2
2
6
1
1
1
1
1
1
1
1
1
1
1
1
2
3
1
1
1
1
1
1