I bought this IQ fit puzzle and completed it in. There's an empty circle. Can anybody explain : r/puzzles

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I bought this IQ fit puzzle and completed it in. There's an empty circle. Can anybody explain : r/puzzles

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IQ Circle Puzzles

IQ Circle Puzzles

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Question from free IQ test. I can't see any clear pattern (and I don't know what the answer is) : r/puzzles

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