What color are the papers?
The papers are pink.
    src        edge_attr  dst
0     0               in    7
1     1               in   15
2     1  to the right of   19
3     1  to the right of    5
4     2   to the left of    7
5     2   to the left of    5
6     3               on    2
7     3   to the left of    5
8     4  to the right of    5
9     5  to the right of   17
10    5   to the left of    1
11    5   to the left of    9
12    5  to the right of   20
13    5   to the left of    8
14    5   to the left of   11
15    5   to the left of   13
16    5  to the right of    6
17    5   to the left of   15
18    5  to the right of   14
19    5  to the right of   12
20    5  to the right of    3
21    5  to the right of    2
22    5   to the left of   19
23    5   to the left of    4
24    6   to the left of    5
25    7  to the right of   20
26    7   to the left of   19
27    7  to the right of    2
28    8  to the right of    5
29    8   to the left of   15
30    8       sitting on    9
31    9  to the right of    5
32   10  to the right of   14
33   10  to the right of   16
34   11  to the right of    5
35   11   to the left of   15
36   12   to the left of    5
37   13  to the right of    5
38   14   to the left of   16
39   14   to the left of   18
40   14   to the left of    5
41   14   to the left of   10
42   15  to the right of    5
43   15  to the right of   11
44   15  to the right of    8
45   16  to the right of   14
46   16   to the left of   10
47   17   to the left of    5
48   18  to the right of   14
49   19   to the left of    1
50   19  to the right of    5
51   19  to the right of    7
52   20   to the left of    7
53   20   to the left of    5