What is on the paper?
The numbers are on the paper.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of    9
2     2  to the right of    5
3     2  to the right of   10
4     2  to the right of    4
5     2               on    1
6     3   to the left of   10
7     4  to the right of    7
8     4   to the left of    2
9     5               of   10
10    5   to the left of    2
11    6  to the right of    7
12    7   to the left of    6
13    7   to the left of    4
14    7               on    4
15    9   to the left of    0
16   10  to the right of    3
17   10   to the left of    0
18   10   to the left of    2