[r-t] Crambo

[Alexander Holroyd]

> A random question - do any 'perfect' 6-part principle extents of minor exist
> (ie a plain course with 120 rows per lead which generates the extent)?  I
> can't think of anything off the top of my head, but may be missing something
> obvious!

I'm virtually certain they do exist (I think I have seen some), but I 
don't think I know of any obvious ones.

What are your thoughts about the peal?

a