What pattern is the blanket?
The blanket is checkered.
    src        edge_attr  dst
0     0               on   10
1     0  to the right of    4
2     0  to the right of    2
3     0  to the right of   12
4     0  to the right of    8
5     1   to the left of    6
6     1   to the left of    9
7     2   to the left of    9
8     2          holding   12
9     2   to the left of    0
10    2  to the right of    7
11    2   to the left of    6
12    4  to the right of    8
13    4   to the left of    0
14    4  to the right of   12
15    6  to the right of    2
16    6  to the right of    1
17    7   to the left of    2
18    8               of    2
19    8   to the left of    0
20    8   to the left of    4
21    9  to the right of    1
22    9  to the right of    2
23   11               on    7
24   12   to the left of    4
25   12   to the left of    0