English: Two square-counting puzzles: There are 14 squares in a 3x3 grid of squares (top), but when viewed as a 4x4 grid of points, it has six more off-axis squares (bottom) for a total of 20.
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Captions
Two square-counting puzzles: There are 14 squares in a 3x3 grid of squares (top), but when viewed as a 4x4 grid of points, it has six more off-axis squares (bottom) for a total of 20.