2 x 3 4 2 1 8 July 8, 2019 16 32 64 128 2 x 6 3 4 x 2 1 8 2 3 x 4 7 1 8 (- 2 5 x 3 4 1 8 (- 8 9 2 3 x (- 4 1 2 X 2 1 2 4x 3 4 2 3x 8 3 4 8x 6 )- 2 1 2 x 3 4 1 2 x 8 )=- 2 5 2x 5 )+ 3x X 2 4 3 1 81 X 4 3 2 1 y 2 5 8 11 3 4 x 2 1 2 grade 8 bolt