Which side is the wood shelf on?
The shelf is on the right of the image.
    src        edge_attr  dst
0     0   to the left of   19
1     1  to the right of    4
2     1   to the left of    7
3     2   to the left of    5
4     2  to the right of   12
5     4   to the left of   20
6     4   to the left of    7
7     4   to the left of    1
8     4   to the left of    9
9     5               on   10
10    5  to the right of   12
11    5  to the right of    2
12    5  to the right of   21
13    7  to the right of    9
14    7  to the right of    4
15    7  to the right of   20
16    7  to the right of    1
17    8  to the right of   15
18    9   to the left of    7
19    9  to the right of    4
20    9  to the right of   14
21   10   to the left of   22
22   10   to the left of   19
23   12   to the left of    5
24   12   to the left of    2
25   14   to the left of    9
26   15   to the left of   18
27   15   to the left of   17
28   15   to the left of    8
29   15            above   21
30   15   to the left of   16
31   16               on   17
32   16  to the right of   15
33   17          holding   18
34   17  to the right of   15
35   18  to the right of   15
36   19  to the right of    0
37   19  to the right of   10
38   19   to the left of   22
39   20   to the left of    7
40   20  to the right of    4
41   21            below   15
42   21   to the left of    5
43   22  to the right of   10
44   22  to the right of   19