[ Getting into COFF territory here, I think ]
On Fri, 6 Nov 2020, Clem Cole wrote:
But columnĀ 73-80 were 'special' and used to
store sequence #s (this was
handy when you dropped your card deck, card sorters couldĀ put it back
into canonical order).
We used to grab a wide felt-tip pen and draw a diagonal stripe across the
top of the deck; at least that got you started.
-- Dave, who has dropped the occasional deck