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5x 3y 19
5x 3y 19 pictures 5
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5x 3y 19
3x 5y 19 5x 3y 21
5x 7y 11 3y 5x 19
5x 19 2y 3y 18 4x
xy 3 5x 3y 19
5x 3y 19 2x 9y 31
5x 3y 19 4x y 5
5x 3y 19 2x y 1
5x 3y 19
