Is it indoors or outdoors?
It is indoors.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    2
2     0  to the right of    9
3     0  to the right of    7
4     1  to the right of    6
5     2   to the left of    0
6     2  to the right of    4
7     4   to the left of    9
8     4   to the left of    0
9     4   to the left of    7
10    4   to the left of    2
11    6   to the left of    1
12    7  to the right of    4
13    7   to the left of    0
14    7   to the left of    9
15    8               of    0
16    9   to the left of    0
17    9  to the right of    7
18    9  to the right of    4