The propeller is which color?
The propeller is silver.
    src        edge_attr  dst
0     0  to the right of   12
1     0   to the left of    2
2     0   to the left of    1
3     1  to the right of    8
4     1  to the right of   12
5     1  to the right of   20
6     1               of    7
7     1  to the right of    0
8     1  to the right of    2
9     2   to the left of    1
10    2   to the left of    5
11    2  to the right of    0
12    3               of    7
13    3   to the left of   12
14    4   to the left of    8
15    4   to the left of   20
16    4               of    7
17    5   to the left of    6
18    5   to the left of   18
19    5  to the right of    2
20    6  to the right of    5
21    6   to the left of   18
22    7      in front of    9
23    7      in front of   19
24    8   to the left of    1
25    8  to the right of   19
26    8               of    7
27    8  to the right of    4
28    8  to the right of   11
29    9  to the right of   19
30    9           behind    7
31    9               by    1
32   10               of    7
33   10  to the right of   14
34   11   to the left of    8
35   11   to the left of   20
36   11  to the right of   19
37   12   to the left of    1
38   12  to the right of    3
39   12   to the left of    0
40   13   to the left of   15
41   14   to the left of   10
42   15  to the right of   13
43   18  to the right of    5
44   18  to the right of    6
45   19   to the left of   11
46   19   to the left of   20
47   19           behind    7
48   19   to the left of    9
49   19   to the left of    8
50   20  to the right of   19
51   20   to the left of    1
52   20  to the right of    4
53   20  to the right of   11