[r-t] Crambo

[Richard Smith]

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
extents.

RAS