Which side of the picture is the mouse on?
The mouse is on the left of the image.
    src        edge_attr  dst
0     0               of    2
1     1  to the right of    2
2     2   to the left of   16
3     2   to the left of   18
4     2   to the left of    1
5     2   to the left of    6
6     2   to the left of    5
7     2   to the left of    8
8     2   to the left of    7
9     3  to the right of    4
10    3   to the left of   16
11    4   to the left of   16
12    4   to the left of   12
13    4   to the left of    6
14    4   to the left of    3
15    4   to the left of    8
16    5  to the right of    2
17    5               on   14
18    6   to the left of   18
19    6  to the right of    2
20    6  to the right of    4
21    6   to the left of    7
22    6               on   14
23    7  to the right of    2
24    7  to the right of    6
25    7  to the right of   12
26    8  to the right of    4
27    8  to the right of    2
28    9  to the right of   13
29   12  to the right of    4
30   12  to the right of   15
31   12   to the left of    7
32   12   to the left of   16
33   12   to the left of   18
34   13   to the left of    9
35   13               on   14
36   15   to the left of   12
37   16  to the right of    4
38   16  to the right of    2
39   16  to the right of   12
40   16  to the right of    3
41   18  to the right of    2
42   18  to the right of    6
43   18  to the right of   12