In which square is the difference?
Great, you answered "B".
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- A
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- D
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Interesting fact:
Ducks have inspired some great thoughts from great people. "Be like a duck. Calm on the surface, but always paddling like the dickens underneath." Michael Caine "If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands." Douglas Adams