4x 10y 3 July 8, 2019 16 32 64 128 4x 10y 3 12x 2y 4x 2 3xy 10y 2 4x 7y 1 3x 10y 15 2y 7 3x 4x 10y 3 12x 5y 2 4x 10y 3
