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4x 3y 6 2x y 0
4x 3y 6 2x y 0 pictures 5
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4x 3y 6
4x 3y 6 2x y 0
2x 3y 6 0 4x y 16 0
4x y 8 0 2x 3y 6 0
4x 3y 6 2x y 0
