[r-t] Decisions / Algorithms for generating the extent

[edward martin]

> Well, there's another one in Tintinnalogia, though
> Stedman/Duckworth isn't explicit that it works on arbitary
> stages.
>
> The starting point of the series is the extent on three
> bells, Original Singles.
>
>   123   3
>   213   1
>   231   3
>   321   1
>   312   3
>   132   1
>   ---
>   123
>
> All bells hunt throughout and this is enough to get the
> whole extent.  If you try this on four bells, though, you
> only get a third of the extent:
>
>   1234  x
>   2143  14
>   2413  x
>   4231  14
>   4321  x
>   3412  14
>   3142  x
>   1324  14
>   ----
>   1234
>
> However, we can take this as one lead of a three lead extent
> by making lead heads and lead ends form the extent on the
> back three bells:

But Campanista demonstrates this very point pages 8-10
and again (5 bells) pages 18 - 29
and again (6 bells) pages 35 - 52
He is very explicit & excited about applying Grandsire Doubles to give
us 'Grandsire Bob Minor (the standard 720 of Bob Minor)  page 114

mew