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2x 2y 1 2x 4y

2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y
2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y
2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y2x 2y 1 2x 4y