richard at ex-parrot.com
Mon Aug 7 12:35:12 UTC 2006
Roddy Horton wrote:
> They certainly do exist. Chris Munday (the one that lives in Kirk Ella)
> wrote a program to search for them all a few years ago and sent me the
> results. I have had a look and cannot find them but there were quite a few.
What additional criteria did he have? No more than two
consecutive blows in one place? No single changes?
I'm sure that an exhaustive search for all six-part extents
is not only way beyond current computing power, but would
generate billions (probably orders of magnitude more) of
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