Do you see any pillows?
Yes, there is a pillow.
    src        edge_attr  dst
0     0  to the right of    4
1     1  to the right of    3
2     3   to the left of    8
3     3   to the left of    7
4     3   to the left of   10
5     3   to the left of    9
6     3   to the left of    5
7     3   to the left of    1
8     3   to the left of   11
9     4  to the right of    8
10    4  to the right of    5
11    4  to the right of   10
12    4  to the right of    9
13    4  to the right of   11
14    4   to the left of    0
15    5  to the right of   10
16    5               on   11
17    5  to the right of    3
18    5   to the left of    4
19    5  to the right of    9
20    6  to the right of    7
21    7   to the left of    6
22    7  to the right of    3
23    8   to the left of    4
24    8  to the right of    3
25    9   to the left of   10
26    9   to the left of    5
27    9   to the left of    4
28    9  to the right of    3
29    9               on   11
30   10               on   11
31   10   to the left of    5
32   10  to the right of    3
33   10   to the left of    4
34   10  to the right of    9
35   11   to the left of    4
36   11  to the right of    3