Subj:     Divide Into Four Equal Pieces #13 (S505)
          The Ultimate Puzzle Site on 9/23/2006 
 Source: http://www.puzzle.dse.nl/basic/index.html

 The goal of this puzzle is to divide the figure into four 
 pieces which would be identical in shape and size, though 
 some pieces can be the mirror reflections of others. 

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