2
1
3
1
1
1
2
4
1
2
2
4
2
1
1
1
4
2
1
4
5
1
2
1
7
1
1
2
6
3
1
1
1
1
2
1
2
1
1
4
1
1
2
3
1
1
3
1
1
2
1
1
1
1
3
2
1
3
2
3
1
1
2
2
1
1
1
3
1
1
1
2
1
4
2
1
1
3
1
1
3
1
2
1
2
1
1
2
2
1
2
1
2
3
15
1
4
1
1
2
2
1
5
2
3
2
3
4
2
5
Tree Covered with Snow