13/03/2013 - Old News (***)

This puzzle is rated 3 star (hard)

Description

A newspaper is printed on 8 large sheets of paper that are laid on top of each other and folded in half. 

This means that the newspaper has 32 pages altogether.
The first sheet contains pages 1, 2, 31 and 32.

Puzzle
I pick up a sheet containing page 25. What are the other pages that this sheet contains?

Check the solutions page for the correct answer.