Is the olive on the right side?
No, the olive is on the left of the image.
    src        edge_attr  dst
0     0  to the right of   20
1     0  to the right of   15
2     1  to the right of    5
3     1  to the right of    2
4     1  to the right of   11
..  ...              ...  ...
75   25  to the right of    5
76   26  to the right of    5
77   26  to the right of    9
78   27   to the left of    6
79   27   to the left of   20

[80 rows x 3 columns]