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Take a rectangle piece of paper
divided into eight squares (2x4), and then number them on one side as
shown in the left part of the diagram. Or simply use our
Print 'n' Play Version - print it and
then cut it out.
Henry E. Dudeney discovered that there are 40 different ways to fold
this rectangle along the lines to form a square packet with number 1
face-up on top and all other squares beneath it like that shown in the
right part of the illustration.
The object of this puzzle is to fold the rectangle along the lines in
such a way that the squares are in serial order from 1 to 8, with
number 1 face-up on top. You aren't allowed to tear the rectangle,
just fold and possibly slightly bend it. |
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