[r-t] Triples puzzles

[Alexander E Holroyd]

That's great work, Don.  How did you find these?

On 05-Aug-20 8:55 PM, Don Morrison wrote:
> On Tue, Jul 14, 2020 at 1:00 PM Alexander E Holroyd <holroyd at math.ubc.ca 
> <mailto:holroyd at math.ubc.ca>> wrote:
>  > 3. Find an extent using only the three place notations 1,7,345.
> 
> https://www.ringing.org/composition/?id=16988
> 
> https://www.ringing.org/composition/?id=16989
> 
> Unsurprisingly there are myriad other variations possible on the theme, 
> likely some of them tidier than these. There are also plenty of 
> alternative ways one might choose to describe them.
> 
> 
> -- 
> Don Morrison <dfm at ringing.org <mailto:dfm at ringing.org>>
> “Before the Industrial Revolution, the principal sources of noise
> were thunder, church bells and cannon fire.”
>     – Corinna da Fonseca-Wollheim, /The New York Times/, 17 April 2020
> 
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