Is the wallet red or black?
The wallet is black.
    src        edge_attr  dst
0     0   to the left of   17
1     2  to the right of    4
2     2  to the right of   12
3     2               on    1
4     3               on    1
5     3   to the left of    8
6     3  to the right of    6
7     3  to the right of    5
8     4               on    1
9     4   to the left of    2
10    4  to the right of   16
11    5   to the left of    7
12    5   to the left of    3
13    5               on    1
14    6   to the left of    3
15    6               on    1
16    6   to the left of    7
17    7               on    1
18    7  to the right of    5
19    7  to the right of    6
20    8  to the right of    3
21    8  to the right of   15
22    9   to the left of   15
23   10  to the right of   11
24   10   to the left of   15
25   11   to the left of   10
26   11   to the left of   15
27   11               on    1
28   12   to the left of    2
29   12  to the right of   16
30   14   to the left of   17
31   15  to the right of   11
32   15  to the right of    9
33   15  to the right of   10
34   15   to the left of    8
35   15               on    1
36   16   to the left of   12
37   16   to the left of    4
38   17  to the right of   14
39   17               on    1
40   17  to the right of    0