How large is the racket on the left side?
The racket is large.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    4
2     0  to the right of    6
3     0   to the left of    8
4     1   to the left of    8
5     2   to the left of    4
6     2   to the left of    9
7     2  to the right of    6
8     4  to the right of    0
9     4  to the right of    2
10    5   to the left of    9
11    5  to the right of    6
12    6   to the left of    5
13    6   to the left of    0
14    6   to the left of    2
15    7   to the left of    9
16    8  to the right of    1
17    8  to the right of    0
18    9  to the right of    2
19    9  to the right of    0
20    9  to the right of    7
21    9  to the right of    5