What pattern is the jacket?
The jacket is checkered.
    src        edge_attr  dst
0     1               of   12
1     1   to the left of   19
2     1   to the left of   17
3    10   to the left of   19
4    10   to the left of   17
5    11   to the left of   14
6    11            above   13
7    12          wearing    9
8    14  to the right of   11
9    14            above   13
10   17  to the right of    1
11   17          wearing   19
12   17  to the right of   20
13   17  to the right of   10
14   17          wearing    0
15   19  to the right of    1
16   19  to the right of   10
17   19  to the right of   20
18   20   to the left of   19
19   20   to the left of   17