Do the house and the roof have a different colors?
Yes, the house is red and the roof is white.
    src        edge_attr  dst
0     0   to the left of    3
1     1               on    8
2     1  to the right of    3
3     2   to the left of   11
4     3  to the right of    0
5     3  to the right of    6
6     3   to the left of    9
7     3   to the left of    1
8     3   to the left of   11
9     4  to the right of   13
10    5  to the right of   10
11    6   to the left of    3
12    9  to the right of    3
13    9  to the right of   13
14   10   to the left of   13
15   10   to the left of    5
16   11  to the right of    2
17   11  to the right of    3
18   13   to the left of    4
19   13  to the right of   10
20   13   to the left of    9