Are there any green oranges?
Yes, there is a green orange.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of   16
2     1  to the right of    7
3     1  to the right of    0
4     1  to the right of   13
5     1  to the right of    3
6     3   to the left of   16
7     3   to the left of    1
8     6  to the right of   13
9     6  to the right of    7
10    7   to the left of    6
11    7   to the left of    1
12    7   to the left of   16
13    9  to the right of   11
14    9  to the right of   10
15    9   to the left of   17
16   10   to the left of    9
17   10  to the right of   11
18   10   to the left of   17
19   11   to the left of    9
20   11   to the left of   10
21   11   to the left of   17
22   12  to the right of   15
23   13   to the left of    1
24   13   to the left of    6
25   13   to the left of   16
26   14  to the right of   15
27   15   to the left of   12
28   15   to the left of   14
29   16  to the right of    7
30   16  to the right of    3
31   16  to the right of   13
32   16  to the right of    0
33   17  to the right of   11
34   17  to the right of   10
35   17  to the right of    9
36   18            below    1