7 9 2 2 4 July 8, 2019 16 32 64 128 7 2 9 2 4 3 1 7 9 2 2 4 7 9 2 0 2 4 7 9 2 4 5 7 9 2 4 8 7 2 2 4 0 9 x 7 2 2 4 0 9 y 9 2 2 3 x 7 4 1 2 7 9 x 4 2 5x 7 9 2 4 1 0 9 2 2 3 x 7 4 5 4
