How wide is the brick chimney?
The chimney is wide.
    src        edge_attr  dst
0     0  to the right of   17
1     0  to the right of    3
2     1  to the right of   14
3     1  to the right of   13
4     1  to the right of    5
..  ...              ...  ...
59   17  to the right of    8
60   17  to the right of    2
61   17  to the right of   16
62   17  to the right of   18
63   18   to the left of   17

[64 rows x 3 columns]