Which color do you think the pillow is?
The pillow is dark.
    src        edge_attr  dst
0     0               on    1
1     0  to the right of    7
2     0  to the right of    2
3     1  to the right of    7
4     1  to the right of    2
5     2   to the left of    0
6     2  to the right of    3
7     2   to the left of    1
8     2   to the left of    7
9     2  to the right of    5
10    3   to the left of    7
11    3   to the left of    2
12    3   to the left of    6
13    4  to the right of    9
14    4   to the left of    8
15    5   to the left of   11
16    5   to the left of    8
17    5   to the left of    2
18    6  to the right of    3
19    7   to the left of    0
20    7   to the left of    1
21    7  to the right of    2
22    7  to the right of    3
23    7  to the right of   10
24    8  to the right of    9
25    8  to the right of    5
26    8  to the right of    4
27    9   to the left of    4
28    9   to the left of    8
29   10   to the left of    7
30   11               on    8
31   11  to the right of    5