Penny has announced the winners of the witch contest and my two favourites weren't amongst them... so now I'll never know who did them... unless someone tells me....
my absolute favourite was the dark 68 and my favourite cute one was the tortoise 138.
Anyone know???
Update: the tortoise is by happy d
Sphinx Cryptarithm #36
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From Sphinx Magazine, October 1933 Reconstruct the multiplication: where:
OCTO, CTO, CTOB, TO, TOBR, TOBRE, OBRE, BRE, BR, RE, E are 11 prime
numbers. The ...

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