Where in the image is the empty plate, in the top or in the bottom?
The plate is in the bottom of the image.
     src        edge_attr  dst
0      0  to the right of    9
1      0  to the right of   17
2      0  to the right of   19
3      1  to the right of   19
4      2  to the right of   19
..   ...              ...  ...
97    19   to the left of    1
98    20  to the right of   19
99    20  to the right of    9
100   20   to the left of   10
101   20   to the left of   16

[102 rows x 3 columns]