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Permalink In reply to by Anonymous (not verified)

It must be a mistake. The only two points that satisfy the equation are (0, 1) and (1, 0). (0, 0), (0, 2), (1, 1), (1, 2), (2, 0), (2, 1) and (2, 2) are the other points from the field, and none of them satisfy the equation.

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