Is this a white fence?
Yes, this is a white fence.
    src        edge_attr  dst
0     1  to the right of   14
1     1  to the right of    5
2     1  to the right of    7
3     2   to the left of   13
4     2   to the left of   10
5     2   to the left of   11
6     4   to the left of   13
7     4   to the left of   16
8     4   to the left of    6
9     4   to the left of   14
10    5   to the left of    1
11    5   to the left of    7
12    6  to the right of   10
13    6  to the right of    4
14    6  to the right of   11
15    6   to the left of   14
16    7  to the right of    5
17    7   to the left of    1
18    7  to the right of   14
19    8  to the right of   16
20    8  to the right of   13
21    8   to the left of    9
22    9  to the right of    8
23    9  to the right of   12
24    9  to the right of   15
25   10  to the right of    2
26   10   to the left of    6
27   10   to the left of   13
28   11         carrying   10
29   11   to the left of   16
30   11   to the left of   13
31   11   to the left of    6
32   11  to the right of    2
33   12  to the right of   13
34   12   to the left of    9
35   12  to the right of   16
36   13  to the right of    4
37   13  to the right of   11
38   13  to the right of   10
39   13   to the left of    8
40   13   to the left of   12
41   13  to the right of    2
42   13   to the left of   14
43   14  to the right of   16
44   14   to the left of    7
45   14  to the right of   13
46   14   to the left of    1
47   14  to the right of    6
48   14  to the right of    4
49   15   to the left of    9
50   16  to the right of    4
51   16   to the left of   12
52   16   to the left of   14
53   16   to the left of    8
54   16  to the right of   11