Do the chain and the pole have the same color?
Yes, both the chain and the pole are black.
   src        edge_attr  dst
0    0   to the left of   14
1    2   to the left of    5
2    2   to the left of   14
3    4  to the right of   14
4    5  to the right of    2
5   10           around   14
6   14  to the right of    2
7   14  to the right of    0
8   14   to the left of    4