What is on the shelf in the top part?
The screen is on the shelf.
     src        edge_attr  dst
0      1   to the left of   14
1      1   to the left of   18
2      1   to the left of   17
3      1   to the left of   21
4      1   to the left of   26
..   ...              ...  ...
97    26  to the right of   19
98    26  to the right of   18
99    26  to the right of    1
100   26   to the left of    4
101   26   to the left of    3

[102 rows x 3 columns]