GCHQ Christmas Challenge

Got the three addresses and found the locations. But can't find the message???

opening.pies.picky
outboard.grid.rejoins
director.seaweed.carpentry

Any ideas?
 
got everything except 5 and 6 - no idea how to figure those out

The engineering one was just turn the first gear and work out what letter would end up on each wheel

The codebreaker - just go back one letter for each letter - c becomes b, 4 becomes 3 etc
 
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The engineering one was just turn the first gear and work out what letter would end up on each wheel

The codebreaker - just go back one letter for each letter - c becomes b, 4 becomes 3 etc
Surely the gear ratios is important? I'm over thinking it - so its just 'picky'
codebreaker - is that all?? damn
 
I've got 1, 2 and 3.
The engineering one was just turn the first gear and work out what letter would end up on each wheel

The codebreaker - just go back one letter for each letter - c becomes b, 4 becomes 3 etc
When it says "Turn 20", does that mean 20 complete revolutions or 20 increments. 1 increment being moving the first cog from R to Q?
 
How did you get that for the mathematics one?

I got it by it being the only word that fitted the description but still can't figure out the 'maths' element of it.
It wasn't really maths, other than the number written backwards in the middle of word
 
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