Are the chairs on the left?
No, the chairs are on the right of the image.
    src        edge_attr  dst
0     2  to the right of    9
1     2  to the right of    7
2     3  to the right of    4
3     4  to the right of    6
4     4   to the left of    3
5     4   to the left of   12
6     5  to the right of    7
7     5  to the right of    9
8     5  to the right of    8
9     6   to the left of    4
10    7             near   11
11    7            above   10
12    7   to the left of    2
13    7   to the left of    5
14    8   to the left of    5
15    9   to the left of    2
16    9   to the left of    5
17   10            above   11
18   11             near    7
19   12  to the right of    4