[r-t] Multi-extent 5-part Surprise Minor

Alexander Holroyd holroyd at math.ubc.ca
Wed Aug 29 17:58:50 UTC 2012

Congratulations, John, this is absoltuely fantastic!  I have long thought 
that something along these lines ought to be possible, but was not sure 
how to go about the search.


On Wed, 29 Aug 2012, John Warboys wrote:

> For the last 9 months I've been working on multi-extent 5-part Surprise
> Minor compositions, and last night one of the resulting compositions was
> rung at Birmingham Cathedral - all 41 regular methods all-the-work in 5760
> changes, with a change of backwork and frontwork every lead.  It's been a
> long haul from start to finish so I'm pleased that this project has now been
> accomplished.
> The maximum I've been able to get in 5040 changes is 39 methods, as far as I
> can tell it's not possible to get all 41 in a normal peal length.
> Nevertheless, 39 methods all-the-work in a normal peal length exceeds the
> previous maximum by 3, and 41 all-the-work in 5760 changes beats the
> previous minimum length for this by 2 extents.  Various different 5-part
> peal compositions for 39 and 41 all-the-work, plus a variety of 1440s and
> 2160s, can now be found on my website:
> http://website.lineone.net/~jswcomps
> You can also find there a (probably rather rambling) write-up of how I
> approached this task and the issues which arose.  Whilst all my previous
> compositions have included a plain lead of every method, this feature had to
> be sacrificed in order to maximise the number of methods included, however
> none of  the methods which you don't get plain leads of have both 2nds and
> 6ths place variants, so they remain uniquely defined.
> John
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