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    src        edge_attr  dst
0     0  to the right of   19
1     0   to the left of    6
2     0  to the right of   17
3     0  to the right of   10
4     1  to the right of   16
..  ...              ...  ...
86   22  to the right of   19
87   22         carrying    0
88   23  to the right of    2
89   23  to the right of   16
90   23  to the right of   19

[91 rows x 3 columns]