6 x 8 15 5 3 July 8, 2019 16 32 64 128 15 8 3 6 x 5 9 15 8 3 6 x 5 7 5 6 x 8 15 x 3 20 1 6 8 15 x 3 5 6 5 x 8 3 x 15 4 6 8×15 6 8 x 5 6 + 6 = 8
