12
11111
1
1-1
1-2
1-3
1-4
1-5
1-6
1-8
1-9
2
2-0
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
3
3-1
3-2
3-3
3-4
3-5
3-6
3-7
4
4-1
4-2
4-3
5
6
