What is the size of the plane?
The plane is small.
    src        edge_attr  dst
0     0   to the left of    1
1     1   to the left of   11
2     1   to the left of   31
3     1   to the left of   24
4     1  to the right of    0
..  ...              ...  ...
92   30  to the right of    8
93   31   to the left of    7
94   31  to the right of    1
95   31   to the left of   21
96   31   to the left of   11

[97 rows x 3 columns]