On which side is the radiator, the left or the right?
The radiator is on the left of the image.
    src        edge_attr  dst
0     0               on    4
1     0  to the right of   11
2     1   to the left of    9
3     1   to the left of   10
4     1   to the left of    6
5     1            below    8
6     1   to the left of    2
7     2  to the right of    8
8     2  to the right of    1
9     2   to the left of   10
10    2  to the right of   12
11    2   to the left of    9
12    2   to the left of    6
13    4   to the left of    7
14    5   to the left of    7
15    6  to the right of    2
16    6   to the left of    7
17    6  to the right of   12
18    6  to the right of    8
19    6  to the right of    1
20    7  to the right of    5
21    7  to the right of    4
22    7  to the right of    6
23    7  to the right of    9
24    8            above    1
25    8   to the left of    2
26    8   to the left of    6
27    9  to the right of   12
28    9  to the right of    1
29    9   to the left of    7
30    9  to the right of    2
31   10  to the right of    1
32   10  to the right of    2
33   11   to the left of    0
34   12   to the left of    9
35   12   to the left of    6
36   12   to the left of    2