On which side is the fire hydrant?
The fire hydrant is on the left of the image.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    0
2     1  to the right of    4
3     1   to the left of    5
4     2  to the right of   11
5     2   to the left of   15
6     4   to the left of    1
7     4  to the right of   11
8     4   to the left of   15
9     5  to the right of    1
10    7               on   14
11    7   to the left of   12
12   10  to the right of   13
13   11   to the left of    4
14   11   to the left of   15
15   11   to the left of    2
16   12  to the right of    7
17   13   to the left of   10
18   15  to the right of    2
19   15  to the right of    4
20   15  to the right of   11