9 7 x 5 7 x 2 3 July 8, 2019 16 32 64 128 7 4 x 29 5 7 5 x 9 4 3 2 13 4 3 x 7 2 5 7 9 x 4 13 5 x 7 = 35 9 x 5/7 9 3/7 x 5/22
