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Turn over, add up and impress!
Red or black? One question is all it takes to wow you!
Can you put back these 5-square pieces?
Cut squares out of rectangles!
Look at this assortment of beautiful kites!
This puzzle requires stamina!
Come on, we’re going to the Eiffel Tower!
What if you had the ability to see through dice?
Can you be quicker than a calculator?