Is the shelf on the right of the picture?
Yes, the shelf is on the right of the image.
    src        edge_attr  dst
0     0               on    1
1     0  to the right of    3
2     2               on    1
3     2  to the right of    3
4     3   to the left of    0
5     3   to the left of    2
6     3   to the left of    5
7     4               on    3
8     4   to the left of    6
9     4   to the left of    5
10    5  to the right of    3
11    5   to the left of    7
12    5  to the right of    4
13    5   to the left of    9
14    5   to the left of    8
15    5   to the left of   10
16    6               on    5
17    6   to the left of    7
18    6  to the right of    4
19    7  to the right of    5
20    7  to the right of    6
21    8  to the right of    5
22    8               on    7
23    8  to the right of    9
24    9  to the right of    5
25    9   to the left of    8
26   10  to the right of    5