3 5
0 1 none
1 2 none
2 3 none
3 4 none
4 9 none
8 9 none
7 8 none
6 7 none
5 6 none
5 10 none
10 11 none
11 12 none
12 13 none
13 14 none
1 6 brick
3 8 adobe
7 12 adobe