Where in this picture is the faucet, on the left or on the right?
The faucet is on the left of the image.
    src        edge_attr  dst
0     4   to the left of    9
1     6   to the left of    8
2     7  to the right of   11
3     7  to the right of   12
4     8               on    8
5     8  to the right of    6
6     9  to the right of    4
7    10  to the right of   11
8    11   to the left of   10
9    11   to the left of    7
10   12   to the left of    7