Which side is the bench on?
The bench is on the left of the image.
    src        edge_attr  dst
0     1   to the left of   15
1     1  to the right of    4
2     2  to the right of   17
3     2  to the right of   15
4     3  to the right of   11
5     3  to the right of    8
6     3  to the right of   16
7     3  to the right of    9
8     3  to the right of   18
9     4               by    6
10    4               on    5
11    4   to the left of    7
12    4   to the left of    1
13    4   to the left of   19
14    4   to the left of   16
15    4   to the left of   15
16    4   to the left of   20
17    5   to the left of   20
18    7  to the right of    4
19    8   to the left of    3
20    8   to the left of   10
21    8   to the left of   11
22    8  to the right of    9
23    9   to the left of    3
24    9   to the left of   11
25    9   to the left of   18
26    9   to the left of    8
27    9   to the left of   10
28   10  to the right of    8
29   10  to the right of    9
30   10  to the right of   11
31   10  to the right of   18
32   11  to the right of   18
33   11  to the right of    9
34   11   to the left of   10
35   11  to the right of    8
36   11   to the left of    3
37   12  to the right of   16
38   13   to the left of   14
39   14  to the right of   13
40   15               on    6
41   15  to the right of    1
42   15  to the right of   16
43   15   to the left of    2
44   15  to the right of    4
45   16   to the left of   15
46   16   to the left of    3
47   16  to the right of    4
48   16   to the left of   12
49   17   to the left of    2
50   18   to the left of    3
51   18   to the left of   10
52   18               in    6
53   18  to the right of    9
54   18   to the left of   11
55   19               by    5
56   19  to the right of    4
57   20  to the right of    4
58   20  to the right of    5