3
1
3
1
2
1
1
2
1
2
3
2
1
1
2
1
1
3
3
2
1
3
1
1
2
3
1
2
1
1
1
2
1
1
1
1
3
3
3
3
1
2
1
3
1
1
1
1
1
2
1
2
3
3
3
1
2
1
1
1
