Which kind of appliance is it?
The appliance is a heater.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of   16
2     0   to the left of    4
3     0   to the left of   10
4     1  to the right of   13
..  ...              ...  ...
60   16  to the right of    0
61   16  to the right of    7
62   16   to the left of    1
63   16  to the right of   12
64   16  to the right of   15

[65 rows x 3 columns]