7 1 4 x 9 3 8 July 8, 2019 16 32 64 128 7 1 4 x x 9 3 8 7 1 4x 9 3 8 4 9 x 3 8 x 2 7 x 1 6 3 4 x 1 7 8 x 9 16 bearing 1 7/9 x = 5 4/9 2 5/8
