1 2 (6x- July 8, 2019 16 32 64 128 1 2 6x 10 )- x 1 2 6x 1 2 6x 4 1 2 6x8 1 2 6x5 1 2 6x6 1 2 6x 3 1 2 6x10 1 2 6x 18 1 2 6x 9 1 2 6x x 1 6x 2 7x 1 6x 2 5x 1 6x 2 3x 1 6x 2 2x