Does the curtain have red color?
Yes, the curtain is red.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of    4
2     0  to the right of   13
3     1  to the right of   18
4     2   to the left of    9
5     2  to the right of   12
6     3   to the left of   10
7     4  to the right of   13
8     4  to the right of   11
9     4   to the left of    0
10    4  to the right of   14
11    5  to the right of   17
12    5   to the left of   14
13    6   to the left of   14
14    7               on    8
15    8  to the right of   10
16    9  to the right of    2
17    9  to the right of   12
18    9  to the right of   16
19   10   to the left of    8
20   10  to the right of    3
21   11   to the left of   13
22   11   to the left of    4
23   11   to the left of   18
24   11   to the left of   14
25   12               on    2
26   12   to the left of   16
27   12   to the left of    9
28   12   to the left of    2
29   12   to the left of    0
30   13  to the right of   11
31   13   to the left of    0
32   13   to the left of    4
33   14  to the right of    6
34   14  to the right of   11
35   14   to the left of    4
36   14  to the right of    5
37   14   to the left of   15
38   14   to the left of   18
39   15  to the right of   14
40   16  to the right of   12
41   16   to the left of    9
42   17   to the left of    5
43   18   to the left of    1
44   18  to the right of   14
45   18  to the right of   11