What kind of appliance is it?
The appliance is a radiator.
    src        edge_attr  dst
0     0  to the right of    2
1     1   to the left of    3
2     1  to the right of    4
3     2             near    3
4     2   to the left of    0
5     2   to the left of    3
6     2  to the right of    4
7     2             near    4
8     2             near    8
9     3             near    2
10    3  to the right of    1
11    3  to the right of    2
12    4   to the left of    7
13    4   to the left of    5
14    4   to the left of    2
15    4   to the left of    1
16    4             near    2
17    5  to the right of    8
18    5  to the right of    6
19    5  to the right of    4
20    6   to the left of    7
21    6   to the left of    5
22    7               on    2
23    7  to the right of    8
24    7  to the right of    4
25    7  to the right of    6
26    8   to the left of    7
27    8   to the left of    5
28    8             near    2