Are there any sheep or castles?
No, there are no castles or sheep.
    src        edge_attr  dst
0     0  to the right of    1
1     1   to the left of    0
2     1   to the left of    8
3     2  to the right of   14
4     2  to the right of    5
5     2  to the right of    4
6     4  to the right of    5
7     4   to the left of    2
8     4  to the right of   10
9     5   to the left of    8
10    5   to the left of    4
11    5   to the left of   13
12    5  to the right of   10
13    5   to the left of    2
14    8  to the right of    5
15    8  to the right of    1
16    8  to the right of   10
17    9        on top of    6
18   10   to the left of    4
19   10   to the left of    5
20   10   to the left of    8
21   10   to the left of   13
22   10   to the left of   14
23   12  to the right of   14
24   13  to the right of   10
25   13  to the right of    5
26   14   to the left of    2
27   14   to the left of   12
28   14  to the right of   10