Does the ladder look metallic?
Yes, the ladder is metallic.
     src        edge_attr  dst
0      0  to the right of    3
1      0   to the left of    2
2      0   to the left of    5
3      0  to the right of   16
4      0  to the right of   17
..   ...              ...  ...
110   23   to the left of    4
111   23   to the left of   12
112   23   to the left of   22
113   23   to the left of    8
114   23   to the left of   15

[115 rows x 3 columns]