That is not a cycle.

   (1+i.26) -. {."1 edges
8 19 24

-- 
Raul


On Thu, Aug 25, 2016 at 6:13 AM, R.E. Boss <r.e.b...@outlook.com> wrote:
> Given the edges in a graph which is a cycle, like
>    edges
> 1  2
>  3  1
>  2  4
>  4  5
>  5  6
>  6  7
>  7  8
>  9  8
> 10  9
> 11 10
> 11 12
> 12 13
> 14 15
> 15 16
> 17  3
> 18 17
> 18 19
> 20 19
> 20 21
> 21 22
> 22 14
> 16 23
> 13 24
> 25 24
> 26 25
> 23 26
> Vertices of the graph are represented by >:i.26
> Question is how to determine in an elegant way the sequence of vertices along 
> the cycle, which is
> 1 2 4 5 6 7 8 9 10 11 12 13 24 25 26 23 16 15 14 22 21 20 19 18 17 3 1
>
>
> R.E. Boss
>
>
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