On which side is the container?
The container is on the right of the image.
    src        edge_attr  dst
0     3   to the left of   13
1     3               of   15
2     5   to the left of   13
3     7               of   15
4     7   to the left of   13
5     9  to the right of   16
6    10           around   15
7    13  to the right of    7
8    13  to the right of   15
9    13  to the right of    5
10   13  to the right of    3
11   15   to the left of   13
12   16   to the left of    9