[r-t] Triples puzzles

[Don Morrison]

On Tue, Jul 14, 2020 at 1:00 PM Alexander E Holroyd <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>
“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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