X 4 9x 2 9 0 July 8, 2019 16 32 64 128 X 6 x 4 9x 2 9 0 X 4 x 3 8x 2 9x 9 0 X 4 2x 3 9x 2 6x 9 0 X 4 3x 3 2x 2 9x 9 0 X 4 9x 3 24x 2 27x 9 0 9 x 4 X 4 = 9 x
