Is the color of the napkin blue?
Yes, the napkin is blue.
    src        edge_attr  dst
0     0   to the left of    6
1     0  to the right of    3
2     0               on    1
3     1           beside   11
4     1   to the left of    6
5     2   to the left of   11
6     2               in    9
7     2   to the left of    4
8     3   to the left of    0
9     3   to the left of    9
10    4  to the right of    2
11    4               on   11
12    4  to the right of    9
13    6  to the right of    1
14    6  to the right of    0
15    6  to the right of    9
16    7               on    8
17    7   to the left of   11
18    9               on    1
19    9   to the left of    6
20    9  to the right of    3
21    9   to the left of    4
22    9   to the left of   11
23   11               on    8
24   11  to the right of    2
25   11  to the right of    9
26   11  to the right of    7