11x 2y 7 July 8, 2019 16 32 64 128 3x 4y 11 x 2y 7 2x 3y 11 x 2y 7 2x y 7 x 2y 11 X 2y 11 5x 2y 7 2y x 11 y x 7 11 x 20 11 x 7/2
