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Comments in green were written by me. Comments in blue were not written by me.
 2016-12-15 
Since some people use Kindles, it seems natural that a page is just one side.
Another Matthew
on /blog/36
               
 2016-12-15 
@Another Matthew: Correct, you're looking for the sum of the two numbers on the centre spread pages (one on each page).
Matthew
on /blog/36
               

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