Do the plane and the door have a different colors?
No, both the plane and the door are white.
    src        edge_attr  dst
0     1  to the right of   11
1     1               of    0
2     4   to the left of   12
3     4   to the left of   11
4     4   to the left of    9
5     5  to the right of   14
6     7   to the left of   15
7     8               of    0
8     8   to the left of   11
9     8   to the left of   12
10    8   to the left of    9
11    9   on the side of    0
12    9  to the right of    8
13    9  to the right of   11
14    9  to the right of    4
15   10               of    0
16   11               of    0
17   11   to the left of    1
18   11  to the right of    4
19   11   to the left of   12
20   11   to the left of    9
21   11  to the right of    8
22   11   on the side of    0
23   12  to the right of    8
24   12  to the right of    4
25   12  to the right of   17
26   12  to the right of   11
27   14               of    0
28   14   to the left of    5
29   15  to the right of    7
30   17   to the left of   12