Is the picture showing an office or a shop?
It is showing an office.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    4
2     0  to the right of    2
3     2   to the left of    0
4     2   to the left of    4
5     4   to the left of    8
6     4  to the right of    2
7     4  to the right of    0
8     4   to the left of    5
9     5  to the right of    7
10    5  to the right of    4
11    5  to the right of    6
12    6   to the left of    5
13    7   to the left of    5
14    8  to the right of    0
15    8  to the right of    4