Does the zebra that is swimming appear to be striped and black?
No, the zebra is striped but white.
   src        edge_attr  dst
0    0               in    2
1    0   to the left of    3
2    1               in    2
3    1  to the right of    2
4    2   to the left of    1
5    3               of    1
6    3  to the right of    0