Is the size of the window large?
Yes, the window is large.
    src        edge_attr  dst
0     0   to the left of    6
1     0               on    3
2     1   to the left of    2
3     2  to the right of   11
4     2  to the right of    3
5     2  to the right of    1
6     2  to the right of    9
7     3   to the left of    2
8     4  to the right of    8
9     4               on    6
10    4  to the right of    7
11    6  to the right of    8
12    6  to the right of    7
13    6  to the right of    0
14    7   to the left of    4
15    7   to the left of    6
16    8   to the left of    4
17    8   to the left of    6
18    9   to the left of    2
19   11   to the left of    2