3 7 8 x 5 1 16 July 8, 2019 16 32 64 128 3 4 x 1 5 8 x 7 16 bearing 6 7 5 8 x 1 5 3 16 x 4 5 8 x 1 3 8 x 7 16 bearing 5 x 7 = 35
