X 2x 1 )- 6x 3 0 July 8, 2019 16 32 64 128 X 4 2x 3 6x 2 2x 1 0 X 3 2x 2 6x 1 0 3x 4 6x 7 x 1 2x 3 0 X 4 6x 3 8x 2 2x 1 0
