9 3 4 x 18 July 8, 2019 16 32 64 128 9 1 4 x 18 3 4 9 x 3 20 18 x 4 8 18 3 x 9 4 x 7 13 1 3 4 x 9 1 2 x 18 lvl 18 3 x 4 6 9 9 x 8 =