12x 5 18x 4 6x 6 July 8, 2019 16 32 64 128 18x 5 6x 4 12x 3 6 * x 2 18x 5 6x 4 12x 3 6x 2 12 x 6 x 5 12 5 x 6 12 / 4 x 6
