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