Is it indoors or outdoors?
It is indoors.
    src        edge_attr  dst
0     0  to the right of    3
1     1  to the right of    3
2     1   to the left of    5
3     2   to the left of    6
4     2  to the right of    3
5     3   to the left of    2
6     3   to the left of    0
7     3   to the left of    1
8     3   to the left of    4
9     4  to the right of    3
10    5   to the left of    6
11    5  to the right of    1
12    6  to the right of    2
13    6  to the right of    5