1
3
2
6
2
7
2
7
2
7
1
9
11
12
11
1
7
1
2
6
1
2
6
2
7
2
2
3
2
3
5
4
6
6
1
3
3
2
5
2
13
13
13
14
14
13
6
1
6
Paper Boat