Is the curtain different in color than the clock?
No, both the curtain and the clock are white.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    2
2     0  to the right of    7
3     0  to the right of   15
4     0  to the right of   10
..  ...              ...  ...
65   18  to the right of   10
66   18   to the left of    6
67   18  to the right of   17
68   18               on    3
69   19   to the left of    1

[70 rows x 3 columns]