Is that a purple book?
No, that is a white book.
    src        edge_attr  dst
0     0  to the right of   10
1     2               on    7
2     2               of    6
3     2   to the left of    5
4     4               on    8
5     5               on    7
6     5  to the right of    2
7     5  to the right of    6
8     6   to the left of    5
9    10               on    7
10   10   to the left of    0