How large is the table?
The table is small.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    6
2     1               of    7
3     1   to the left of    5
4     2  to the right of    5
5     2  to the right of   10
6     2  to the right of    8
7     4               on    3
8     4  to the right of   10
9     5  to the right of    7
10    5  to the right of   11
11    5   to the left of    2
12    5  to the right of    1
13    5  to the right of    6
14    6  to the right of    0
15    6   to the left of    5
16    6   to the left of   11
17    6  to the right of   12
18    7               in    8
19    7   to the left of    5
20    8   to the left of    2
21    8               on    3
22   10   to the left of    2
23   10               on    9
24   10   to the left of    4
25   11               in    8
26   11  to the right of   12
27   11  to the right of    6
28   11   to the left of    5
29   11  to the right of    0
30   12   to the left of   11
31   12   to the left of    6
32   12               in    8