Does that cooler have white color?
No, the cooler is red.
    src        edge_attr  dst
0     0  to the right of   14
1     0   to the left of    3
2     1   to the left of    9
3     1   to the left of    2
4     2   to the left of    9
5     2  to the right of    1
6     3  to the right of    0
7     3   to the left of    4
8     4  to the right of    3
9     5               on    6
10    8  to the right of   14
11    9  to the right of    2
12    9  to the right of    1
13   10   to the left of   14
14   13   to the left of   14
15   14   to the left of    0
16   14   to the left of    8
17   14  to the right of   10
18   14  to the right of   13