What is that drain in?
The drain is in the sink.
    src        edge_attr  dst
0     0               on    1
1     0   to the left of   12
2     0   to the left of   11
3     1   to the left of   12
4     1   to the left of    3
5     1   to the left of   11
6     1   to the left of   10
7     1   to the left of    5
8     2  to the right of   10
9     2  to the right of   11
10    2  to the right of    3
11    3   to the left of    2
12    3   to the left of    8
13    3   to the left of   13
14    3  to the right of    1
15    3   to the left of    4
16    4  to the right of    3
17    4  to the right of   11
18    5  to the right of    1
19    7               in    9
20    8  to the right of    3
21    8  to the right of   11
22    8  to the right of   10
23    9  to the right of   11
24    9  to the right of   12
25   10   to the left of    2
26   10  to the right of    1
27   10   to the left of    8
28   11               in    6
29   11   to the left of    8
30   11   to the left of    9
31   11  to the right of    0
32   11   to the left of    2
33   11   to the left of   13
34   11  to the right of    1
35   11   to the left of    4
36   12  to the right of    1
37   12  to the right of    0
38   12   to the left of    9
39   13  to the right of    3
40   13  to the right of   11