What is mounted on the wall?
The urinal is mounted on the wall.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    8
2     1   to the left of    8
3     1   to the left of    5
4     1   to the left of    9
5     1   to the left of    4
6     2   to the left of    8
7     2   to the left of    5
8     4  to the right of    1
9     5   to the left of    0
10    5  to the right of    2
11    5  to the right of    1
12    5   to the left of    7
13    6  to the right of    7
14    7       mounted on    0
15    7   to the left of    6
16    7  to the right of    5
17    7  to the right of    8
18    8   to the left of    0
19    8   to the left of    7
20    8  to the right of    1
21    8  to the right of    2
22    8  to the right of    9
23    9  to the right of    1
24    9   to the left of    8