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If you know the answer email
jonathan@alderandalder.co.uk
first reply with the right answer wins... Come on, what are you waiting for!
This is important: Don't tweet the answer in the open - so everyone can see it - because you will be disqualified: We won't be able to include any entries received after that in the 'grand prize'. You can find out more about the Alder and Alder Advent Quiz here.
The answer to yesterday's logo