Is this a train or a bus?
This is a train.
    src        edge_attr  dst
0     0            above    3
1     2   to the left of   10
2     2  to the right of    8
3     3      in front of    6
4     3            below    0
5     4  to the right of    5
6     5   to the left of    4
7     6           behind    3
8     6   to the left of    7
9     7   to the left of    9
10    7  to the right of    6
11    8   to the left of   10
12    8   to the left of    2
13    9  to the right of    7
14   10  to the right of    8
15   10  to the right of    2