2 m 2 1 9 July 8, 2019 16 32 64 128 2 (- m 1 9m 2 )- 2 m 9 2m 1 3m 2 3m2 m 2 9m2 12m 4 X 2 2 m 1 x 9m 5 0 2 m 2 1 m 96 X 2 2 m 1 x 9 0 9m 2 1 m 2 58 2 m 9
