640. Big and small squares

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There are 4 squares in the layout above. A broken matchstick is exactly half the length of a full length matchstick. Also, matchstick A is placed exactly in the middle of matchstick B.

Move 3 matchsticks to create 8 squares. All matchsticks don't have to be flat on the surface and square sizes may differ.

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There are 5 small and 3 bigger squares.

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