What shape is the clock that the wall is behind of?
The clock is round.
    src        edge_attr  dst
0     0   to the left of    7
1     0               on    7
2     0   to the left of    2
3     0  to the right of   18
4     2  to the right of    0
..  ...              ...  ...
62   23  to the right of   12
63   23  to the right of    6
64   24   to the left of    7
65   24   to the left of    2
66   25  to the right of    4

[67 rows x 3 columns]