On which side is the toilet paper?
The toilet paper is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    3
1     3   to the left of    1
2     3   to the left of   14
3     3   to the left of    7
4     3   to the left of    6
5     3   to the left of    4
6     3   to the left of    5
7     4               on    5
8     4  to the right of    3
9     4               on   12
10    5  to the right of    3
11    5               on   12
12    6               in    7
13    6  to the right of   13
14    6  to the right of    3
15    7               on   12
16    7  to the right of    3
17    8   to the left of   11
18    8             near   12
19    8             near   11
20    9  to the right of   15
21   11             near    8
22   11  to the right of    8
23   12             near    8
24   13   to the left of   14
25   13   to the left of    6
26   14  to the right of   13
27   14  to the right of    3
28   15   to the left of    9