Is the bookshelf on the left?
No, the bookshelf is on the right of the image.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    7
2     0            above    1
3     0  to the right of    6
4     0   to the left of    5
5     1   to the left of   11
6     1   to the left of    5
7     1            under    0
8     1  to the right of    6
9     1   to the left of    7
10    3        on top of    5
11    3   to the left of   11
12    3  to the right of    4
13    4   to the left of   11
14    4   to the left of    7
15    4   to the left of    3
16    5  to the right of    0
17    5  to the right of    1
18    5  to the right of    6
19    5   to the left of    7
20    5  to the right of    9
21    5   to the left of   11
22    6   to the left of    0
23    6   to the left of    5
24    6   to the left of    1
25    6  to the right of   10
26    7  to the right of    9
27    7  to the right of    5
28    7  to the right of    4
29    7  to the right of    1
30    7  to the right of    0
31    9   to the left of   11
32    9   to the left of    7
33    9   to the left of    5
34   10   to the left of    6
35   11  to the right of    9
36   11  to the right of    3
37   11  to the right of    0
38   11  to the right of    5
39   11  to the right of    1
40   11  to the right of    4