2m 3 m 5 7 July 8, 2019 16 32 64 128 2m m 2 4 3 m 7 5 3 2m 7 )=- 5 6 m M 3 5 m 4 7 2m 1 35 6 2 m 3 m 2 3 m 2m 5
