M 1 2 3 7 July 8, 2019 16 32 64 128 M 1 2 m 2 3 m 4 7 2 7 m 1 7 3 14 M 2 3 1 2m 7 F abc )= ∑ m 1 2 3 5 7 7 8 m 1 2 3 16 m 5 X 7 1 2 ) m 3 M 1 2 3 M(-1 2 1)
