On which side of the photo is the black notebook?
The notebook is on the left of the image.
    src        edge_attr  dst
0     0               on    9
1     0   to the left of   12
2     0   to the left of    8
3     0         lying on    1
4     2  to the right of    4
5     3               on    1
6     3  to the right of    4
7     3  to the right of    7
8     4   to the left of   13
9     4  to the right of    7
10    4   to the left of    5
11    4   to the left of    2
12    4   to the left of    3
13    5  to the right of    4
14    7   to the left of    3
15    7   to the left of    4
16    8  to the right of    0
17    9   to the left of   12
18   12  to the right of    0
19   12  to the right of    9
20   13  to the right of    4