Which color does the towel that is to the left of the other towel have?
The towel has dark brown color.
    src        edge_attr  dst
0     0  to the right of   13
1     1   to the left of   16
2     1  to the right of   17
3     2   to the left of   13
4     2   to the left of   12
5     3  to the right of   17
6     3   to the left of   16
7     3   to the left of    9
8     4   to the left of   16
9     4  to the right of   10
10    4  to the right of   14
11    6   to the left of   13
12    6   to the left of   12
13    6  to the right of   15
14    8   to the left of   10
15    8   to the left of   14
16    9   to the left of   16
17    9  to the right of    3
18   10  to the right of   14
19   10   to the left of    4
20   10  to the right of    8
21   11   to the left of   16
22   12  to the right of   17
23   12  to the right of   15
24   12   to the left of   18
25   12       wrapped in   13
26   12  to the right of    6
27   12  to the right of    2
28   12   to the left of   16
29   13   to the left of   16
30   13  to the right of    2
31   13   to the left of    0
32   13   to the left of   18
33   13  to the right of   15
34   13  to the right of   17
35   13  to the right of    6
36   14  to the right of    8
37   14   to the left of   10
38   14   to the left of    4
39   15   to the left of   13
40   15   to the left of    6
41   15   to the left of   12
42   16  to the right of    4
43   16  to the right of   11
44   16  to the right of    1
45   16  to the right of    3
46   16  to the right of   12
47   16  to the right of   13
48   16  to the right of    9
49   17   to the left of   13
50   17   to the left of   12
51   17   to the left of    1
52   17   to the left of    3
53   18  to the right of   13
54   18  to the right of   12