8 8 10 2 July 8, 2019 16 32 64 128 8 8 10 20 8 8 10 2 7 8 8 10 26 8 8 10 24 8 8 10 25 8 10 8 23 8 8 x 10 2 8 8 10 1 2 8 4x 10 8 2x 6 8 8 2=10 8 x 3 10 8 2