2
1
2
1
1
3
3
1
3
2
3
2
5
3
15
7
2
4
3
8
1
5
2
1
2
1
1
1
1
2
2
2
4
2
3
3
4
7
9
9
4
1
5
1
1
2
1
1
3
2
1
2
7
4
2
Iceberg