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What do you see in the center of these figures, a letter B or a number 13?
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Actually both depending on your perspective!
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Is this a picture of a sailor or a man with a hat?
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Both, the picture is a sailor one way and a man with a hat when turned upside down. Center the picture on your screen, then hit the refresh button on your browser!
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Is this a seal or a donkey?
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Both, depending on your perspective!