On which side is the black book?
The book is on the left of the image.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    1
2     1  to the right of   14
3     1  to the right of    0
4     1  to the right of    3
..  ...              ...  ...
57   15   to the left of    9
58   16   to the left of    1
59   16  to the right of    8
60   17   to the left of    9
61   18   to the left of    9

[62 rows x 3 columns]