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