Re: Pivots
Interesting work, trav.
I didn't make this connection before, but one of the pivots has a strong resemblance to the "crop marks":

traveller1st wrote:And then there's the "crop marks" with the diagonally filled box symbols in each corner (another spot of Dave's).
I didn't make this connection before, but one of the pivots has a strong resemblance to the "crop marks":



,
and
produce the strongest uninterrupted cycle, suggesting homophonic substitution for a common plain text letter.

sequence in the 408 has more than a billion to one odds against it occurring by random chance. But the