1
1
3
1
7
7
12
7
7
9
6
1
1
3
1
3
1
4
15
5
3
1
1
1
1
1
1
1
1
1
3
1
1
6
9
1
7
1
7
1
14
7
4
13
5
1
4
1
1
3
1
1
1
Paper Snowflakes