On which side of the photo is the silver tray?
The tray is on the left of the image.
    src        edge_attr  dst
0     1               in    4
1     1  to the right of   10
2     2               on    8
3     2               on    6
4     3  to the right of    8
5     3  to the right of    6
6     4  to the right of   10
7     6   to the left of    7
8     6   to the left of    3
9     7  to the right of    8
10    7               in    2
11    7  to the right of    6
12    8               on    6
13    8   to the left of    3
14    8   to the left of    7
15    9  to the right of   10
16   10   to the left of    4
17   10   to the left of    1
18   10   to the left of    9