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	visual paradoxes 1-2-3 
			

   concentrate on the center :the colors move ??? why??? 
   
   
      
                 2 faces or ???
				 
				 

              which line is longer ???
			  
			  

                   the red lines are parallel !!!



     the horizontal lines are parallele???
	 
	 

concentrate on the center and move your head rear-front
circular motion ........why???


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