Do you see any refrigerators?
Yes, there is a refrigerator.
    src        edge_attr  dst
0     2   to the left of    8
1     2  to the right of    5
2     2   to the left of   10
3     2  to the right of    3
4     2               on    6
5     3   to the left of    2
6     3   to the left of    9
7     3  to the right of    6
8     4  to the right of   11
9     4  to the right of   12
10    5   to the left of    9
11    5  to the right of    6
12    5   to the left of    2
13    6   to the left of    5
14    6   to the left of    3
15    6   to the left of    9
16    7   to the left of   13
17    7   to the left of   14
18    8  to the right of    2
19    8  to the right of    9
20    9  to the right of    5
21    9   to the left of    8
22    9   to the left of   10
23    9  to the right of    3
24    9  to the right of    6
25    9               in    0
26   10  to the right of    9
27   10               in    0
28   10  to the right of    2
29   11               on    1
30   11   to the left of    4
31   12   to the left of    4
32   13  to the right of    7
33   14  to the right of    7