M 4 9 =- 5 July 8, 2019 16 32 64 128 M (- 4 9 n (- 5 3 M 4 5n 9 3 4 m 9 5 m 2 81 4 9 m 5 6 4 9 m 54 4 m 2 11 9 5 3m 6 M i n 4 5 9 5 m 4 )+ 9 =- 21 5 m 9 )+ 4 8m 4 9 m 3 5 If m 4 9 then 3m 5 9 4 m 5 )+ 4m M 4 15 passes through 5 9 94 4 9 m 5