Are there mattresses or flags in this photo?
No, there are no mattresses or flags.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of    4
2     1            above    4
3     1  to the right of   10
4     1   to the left of    2
5     1  to the right of    5
6     1  to the right of    4
7     1  to the right of    6
8     1  to the right of    8
9     1   to the left of    7
10    1  to the right of    0
11    2  to the right of    1
12    2  to the right of    9
13    4  to the right of    5
14    4       underneath    1
15    4  to the right of    0
16    4   to the left of    1
17    5   to the left of    4
18    5   to the left of    1
19    5           beside    4
20    6   to the left of    1
21    7  to the right of    1
22    8            above   10
23    8   to the left of    1
24    9   to the left of    2
25   10   to the left of    1
26   10          beneath    8