Are there any shelves to the right of the white shelves?
No, the shelf is to the left of the shelves.
    src        edge_attr  dst
0     0               on    1
1     1   to the left of    2
2     1  to the right of    9
3     2  to the right of    8
4     2  to the right of   14
5     2  to the right of   10
6     2  to the right of    4
7     2  to the right of    1
8     3   to the left of    5
9     3   to the left of    4
10    4  to the right of    5
11    4  to the right of   14
12    4   to the left of    2
13    4  to the right of    7
14    4  to the right of    3
15    4               on   14
16    5  to the right of    3
17    5   to the left of    4
18    6   to the left of   10
19    6   to the left of   11
20    7               on   14
21    7   to the left of    4
22    8               on    6
23    8               on   14
24    8   to the left of    2
25    8  to the right of   10
26    8  to the right of   14
27    9   to the left of    1
28   10   to the left of    2
29   10   to the left of    8
30   10  to the right of    6
31   11               on   10
32   11  to the right of    6
33   11               on   14
34   14   to the left of    2
35   14   to the left of    4
36   14   to the left of    8
37   15               on   14