Subj:     Divide Into Four Equal Pieces #12 (S463) 
          by Henry E. Dudeney 
          From: Puzzles.com 
Source: http://www.puzzles.com/PuzzlePlayground 
        /EasyDissection/EasyDissectionPuzzlePrintPlay.pdf 

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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