What is the picture showing?
It is showing a path.
    src        edge_attr  dst
0     0  to the right of    2
1     1  to the right of    7
2     2   to the left of    0
3     3   to the left of    8
4     4   to the left of    8
5     4      in front of    5
6     5   to the left of    7
7     5           behind    4
8     5   to the left of   12
9     5   to the left of    8
10    5           behind    7
11    7  to the right of    5
12    7   to the left of    1
13    7      in front of    5
14    8  to the right of    3
15    8  to the right of    4
16    8  to the right of    5
17    8  to the right of   13
18   12  to the right of    5
19   13   to the left of    8