Does the tail look long?
No, the tail is short.
    src        edge_attr  dst
0     0   to the left of    3
1     0  to the right of   12
2     0   to the left of   10
3     1   to the left of    8
4     1   to the left of    3
5     1   to the left of    9
6     1   to the left of    5
7     2  to the right of   12
8     2   to the left of    3
9     2               in    7
10    3               in    7
11    3  to the right of   12
12    3  to the right of    9
13    3  to the right of    1
14    3  to the right of    0
15    3  to the right of   11
16    3  to the right of    2
17    4   to the left of    6
18    5  to the right of   12
19    5  to the right of    1
20    6  to the right of    8
21    6  to the right of    4
22    8  to the right of    1
23    8   to the left of    6
24    9  to the right of    1
25    9   to the left of    3
26   10  to the right of    0
27   10  to the right of   12
28   11   to the left of    3
29   12   to the left of   10
30   12   to the left of    0
31   12   to the left of    3
32   12   to the left of    5
33   12   to the left of    2