What's on the stone?
The bowl is on the stone.
    src        edge_attr  dst
0     1   to the left of    8
1     1   to the left of    4
2     1               on    0
3     1  to the right of   10
4     1   to the left of   11
..  ...              ...  ...
69   17   to the left of    6
70   17   to the left of   13
71   17  to the right of    4
72   17  to the right of   12
73   17  to the right of   11

[74 rows x 3 columns]