Are there any computers to the left of the computer mouse?
Yes, there is a computer to the left of the computer mouse.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    7
2     1  to the right of   11
3     1  to the right of    3
4     1  to the right of    0
5     2   to the left of   10
6     3   to the left of    1
7     3   to the left of    8
8     6   to the left of    9
9     6   to the left of   10
10    7   to the left of    1
11    8  to the right of   11
12    8               on   10
13    8  to the right of    3
14    9  to the right of    6
15   10  to the right of    6
16   10  to the right of    2
17   11   to the left of    8
18   11   to the left of    1