Are the sheets on the right?
No, the sheets are on the left of the image.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    9
2     0   to the left of   20
3     0  to the right of   19
4     0   to the left of   13
..  ...              ...  ...
85   20  to the right of   17
86   21  to the right of   13
87   21  to the right of    0
88   21  to the right of    5
89   21  to the right of   17

[90 rows x 3 columns]