Does the blue water look clear?
Yes, the water is clear.
    src        edge_attr  dst
0     1          pulling    5
1     1  to the right of   11
2     1  to the right of   10
3     1  to the right of   14
4     2  to the right of    8
5     2  to the right of    5
6     3  to the right of    8
7     3  to the right of    5
8     4               on   17
9     5        pulled by    1
10    5   to the left of    3
11    5   to the left of    2
12    5  to the right of    9
13    5            using   12
14    5            using   14
15    6  to the right of    7
16    7   to the left of    6
17    8   to the left of    3
18    8               of    5
19    8   to the left of    2
20    8  to the right of    9
21    9   to the left of    5
22    9   to the left of    8
23   10   to the left of    1
24   10   to the left of   12
25   11               of    5
26   11   to the left of   13
27   11   to the left of    1
28   12  to the right of   10
29   12  to the right of   14
30   13  to the right of   11
31   14   to the left of    1
32   14   to the left of   12
33   16               on    0