5
None
15
None
12
None
8
None
3
None
10
None
14
None
16
None
2
None
13
None
7
None
11
None
6
None
9
None
1
None
4
None
Direction
NO
3
5 4 11
1 1 3
4
5 7 9 16
3 1 1 1
4
1 6 10 3
3 1 1 3
3
8 12 1
1 1 1
3
8 1 14
2 2 2
3
15 13 2
2 2 2
4
4 14 2 7
3 1 1 3
END