What is on the wall?
The outlet is on the wall.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    6
2     1   to the left of    6
3     1   to the left of    3
4     1  to the right of    7
5     1               on    4
6     1   to the left of    5
7     2  to the right of    7
8     3  to the right of    1
9     5  to the right of    1
10    5   to the left of    0
11    5  to the right of    7
12    5  to the right of   11
13    5   to the left of   10
14    6  to the right of    7
15    6  to the right of    1
16    6   to the left of    0
17    6   to the left of   10
18    7   to the left of    5
19    7   to the left of    2
20    7   to the left of    6
21    7   to the left of   11
22    7   to the left of    1
23    7  to the right of    9
24    8               on   12
25    9   to the left of    7
26   10  to the right of    6
27   10  to the right of    5
28   11  to the right of    7
29   11   to the left of    5