Is this a bear or an elephant?
This is a bear.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    2
2     0               by    2
3     1               of    0
4     1   to the left of    2
5     1   to the left of    4
6     2  to the right of   12
7     2  to the right of   10
8     2  to the right of   16
9     2  to the right of    0
10    2  to the right of    1
11    2  to the right of    9
12    2  to the right of    8
13    4  to the right of    1
14    4  to the right of    0
15    4  to the right of   10
16    4  to the right of    8
17    4  to the right of   12
18    4  to the right of   11
19    5               on   13
20    5  to the right of   15
21    6  to the right of    7
22    6               of    0
23    7   to the left of    6
24    7               of    0
25    7  to the right of   14
26    8   to the left of    4
27    8               of    0
28    8  to the right of   14
29    8   to the left of    2
30    9  to the right of   16
31    9   to the left of    2
32   10               of    0
33   10   to the left of    2
34   10  to the right of   14
35   10   to the left of    4
36   11               of    0
37   11  to the right of   12
38   11   to the left of    4
39   12               of    0
40   12   to the left of    4
41   12   to the left of    2
42   12   to the left of   11
43   12  to the right of   14
44   13  to the right of   15
45   14   to the left of   10
46   14   to the left of    8
47   14   to the left of    7
48   14   to the left of   12
49   14               of    0
50   15   to the left of   13
51   15   to the left of    5
52   16   to the left of    9
53   16   to the left of    2