Baffling swirl optical illusion shows hidden number - but people can't agree on which - Mirror Online

Hidden within this black and white swirl optical illusion is a number - but people just can't seem to agree on which number it is, or even how many digits there are

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How many faces do you see? Optical illusion leaves viewers baffled

Mind-bending optical illusion shows hidden number - and everyone

Viral optical illusion with hidden numbers confuses people. Can

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Baffling optical illusion goes viral after everyone sees different

Only people with 'X-ray vision' can spot number hidden in polka dots

Only people with 'X-ray vision' can spot number hidden in polka

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