Is there any white sand or snow?
No, there is sand but it is brown.
    src        edge_attr  dst
0     0               of    1
1     1   to the left of   10
2     1   to the left of   15
3     1      standing on    7
4     2   to the left of    5
5     2  to the right of    3
6     3   to the left of    5
7     3   to the left of    2
8     5  to the right of    2
9     5  to the right of    3
10    8               of    1
11   10  to the right of   17
12   10  to the right of    1
13   12  to the right of   14
14   14   to the left of   12
15   15  to the right of   16
16   15  to the right of   17
17   15  to the right of    1
18   16   to the left of   15
19   17   to the left of   10
20   17   to the left of   15