Azes 2740: Can’t Work Out The Code...
Crosswords2 mins ago
No best answer has yet been selected by Paul calder. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.(I have incredible gall, really, as a total computer-illiterate, to be offering such advice, but it seems to work for me. I hope I've got it right, though there is bound to be an even simpler method. Give it a go.)