How large are the cords?
The cords are small.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of   10
2     0   to the left of   12
3     1  to the right of    6
4     1  to the right of   11
5     1  to the right of    5
6     2   to the left of   14
7     2   to the left of   17
8     3   to the left of   12
9     3   to the left of    0
10    3  to the right of   10
11    5   to the left of    1
12    6   to the left of    1
13    6   to the left of   16
14   10   to the left of    3
15   10   to the left of    0
16   11   to the left of    1
17   12  to the right of    0
18   12  to the right of    3
19   14  to the right of   15
20   14  to the right of    2
21   15   to the left of   14
22   15   to the left of   17
23   16  to the right of    6
24   17  to the right of    2
25   17  to the right of   15