True, but then why not the more "obvious" abc...ij or qrst...z ?
Not too important!
Mike
PS - can't see why the thread history's lost in this reply, at least as
seen from here!
On 02/11/2020 02:57, Raul Miller wrote:
I think it's because the letters here represent digits, rather than
numbers, isn't it?
Thanks,
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