Are there shelves to the left of the clock on the right?
Yes, there is a shelf to the left of the clock.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of   11
2     1   to the left of   14
3     1   to the left of   11
4     1   to the left of    3
..  ...              ...  ...
57   16  to the right of   10
58   16   to the left of    3
59   16  to the right of    9
60   16               on    0
61   16   to the left of   11

[62 rows x 3 columns]