Do you think the striped shirt is white or purple?
The shirt is white.
    src        edge_attr  dst
0     1   to the left of   20
1     1  to the right of   19
2     1   to the left of    8
3     1   to the left of    9
4     1   to the left of   13
..  ...              ...  ...
64   19   to the left of    4
65   19   to the left of   18
66   20  to the right of   19
67   20  to the right of   16
68   20  to the right of    1

[69 rows x 3 columns]