Which side is the trash can on?
The trash can is on the left of the image.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of    5
2     0  to the right of    1
3     0  to the right of    7
4     1   to the left of    0
5     4  to the right of   14
6     5   to the left of    0
7     7   to the left of    0
8    12  to the right of   14
9    13   to the left of    0
10   13             near   14
11   14   to the left of   12
12   14             near   13
13   14   to the left of    4