Are there either notepads or shields?
No, there are no shields or notepads.
     src        edge_attr  dst
0      0   to the left of    1
1      0   to the left of   17
2      0   to the left of   26
3      0   to the left of   29
4      0   to the left of   37
..   ...              ...  ...
160   37  to the right of    1
161   37   to the left of   10
162   37  to the right of   30
163   37  to the right of   26
164   37   to the left of   33

[165 rows x 3 columns]