Are there both bacon and cheese?
Yes, there are both bacon and cheese.
    src        edge_attr  dst
0     3   to the left of    7
1     4  to the right of    5
2     5   to the left of   10
3     5   to the left of    6
4     5   to the left of    4
5     6  to the right of    5
6     7  to the right of   16
7     7  to the right of   14
8     7  to the right of   18
9     7  to the right of    3
10    9   to the left of   11
11   10               on    1
12   10  to the right of    5
13   11  to the right of    9
14   12   to the left of   17
15   13               on    2
16   14   to the left of    7
17   16   to the left of    7
18   17  to the right of   12
19   18   to the left of    7
20   18               on    9
21   18               on    3
22   19               on    5
23   19               on    8