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