Do you see bottles made of glass?
No, there is a bottle but it is made of plastic.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of   14
2     0  to the right of    9
3     0   to the left of   15
4     1  to the right of   10
5     2  to the right of    9
6     3   to the left of    4
7     3   to the left of    6
8     3   to the left of    7
9     4  to the right of    9
10    4  to the right of    3
11    5  to the right of   11
12    5  to the right of    9
13    5   to the left of   14
14    5   to the left of   15
15    6  to the right of    3
16    6  to the right of    9
17    7  to the right of    9
18    7  to the right of    3
19    7  to the right of   12
20    8   to the left of   14
21    8   to the left of   15
22    8  to the right of    9
23    8  to the right of   11
24    8   to the left of   13
25    9   to the left of    4
26    9   to the left of    0
27    9   to the left of    7
28    9   to the left of    6
29    9   to the left of   12
30    9   to the left of    8
31    9   to the left of    2
32    9   to the left of    5
33    9   to the left of   10
34   10  to the right of    9
35   10   to the left of    1
36   11   to the left of    8
37   11   to the left of    5
38   12   to the left of    7
39   12  to the right of    9
40   13  to the right of    0
41   13  to the right of    8
42   14  to the right of    5
43   14  to the right of    8
44   14  to the right of    0
45   15  to the right of    0
46   15  to the right of    8
47   15  to the right of    5