What size is the window?
The window is small.
    src        edge_attr  dst
0     0   to the left of    4
1     1   to the left of    6
2     1   to the left of    3
3     1   to the left of    9
4     1   to the left of    2
5     1  to the right of    7
6     2  to the right of    1
7     2   to the left of    4
8     2  to the right of    9
9     3   to the left of    8
10    3  to the right of    9
11    3  to the right of    1
12    4  to the right of    8
13    4  to the right of    0
14    4  to the right of    2
15    6  to the right of    1
16    6  to the right of    9
17    6  to the right of    7
18    7   to the left of    6
19    7   to the left of    9
20    7   to the left of    1
21    8   to the left of    4
22    8  to the right of    3
23    9   to the left of    6
24    9   to the left of    3
25    9   to the left of    2
26    9  to the right of    7
27    9  to the right of    1