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