8 4 2 30 July 8, 2019 16 32 64 128 8 6 4 2 30 1 2 4 8 30 4 2 8 x )= 30 30 8 4 2 5 2 4 8 30 british military 20x 8 10x 4 30x 2 2 kings 4 8 30 30 8 4 z 2