Is the field narrow?
No, the field is wide.
    src        edge_attr  dst
0     0           behind    4
1     0  to the right of    8
2     0  to the right of   10
3     0  to the right of    7
4     2       covered by    2
5     3  to the right of    8
6     3  to the right of   10
7     7   to the left of    0
8     8   to the left of    0
9     8   to the left of    3
10    9               in    4
11   10   to the left of    0
12   10               in    4
13   10   to the left of    3