Which side is the tap on?
The tap is on the left of the image.
    src        edge_attr  dst
0     0  to the right of    9
1     0   to the left of    6
2     1   to the left of    8
3     2   to the left of    6
4     3   to the left of    6
5     4        on top of    7
6     6  to the right of    0
7     6  to the right of   12
8     6  to the right of    8
9     6  to the right of    3
10    6  to the right of   10
11    6  to the right of    2
12    7            above    9
13    7            below   11
14    8   to the left of    6
15    8  to the right of    1
16    9            below   11
17    9   to the left of    0
18    9            below    7
19   10   to the left of    6
20   11            above    9
21   11            above    7
22   11               on   13
23   11   to the left of   14
24   12               on    3
25   12   to the left of    6
26   14               on   13
27   14  to the right of   11