What's the computer mouse on?
The mouse is on the mousepad.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of   10
2     1  to the right of    6
3     1   to the left of    2
4     1   to the left of   10
5     1   to the left of    8
6     2  to the right of    1
7     2  to the right of    0
8     2  to the right of    3
9     2   to the left of   10
10    3   to the left of    2
11    4   to the left of    5
12    4   to the left of    9
13    5               on    9
14    5  to the right of    4
15    6   to the left of    7
16    6   to the left of    1
17    7  to the right of    6
18    8  to the right of    1
19    9  to the right of    4
20   10  to the right of    2
21   10  to the right of    1
22   10  to the right of    0