M 2 4m 5 m 2 1 July 8, 2019 16 32 64 128 4m 3 m 2 5m 1 5m 2 3m 10 X 2 2 m 1 x m 2 4m 5 0 4m 1 2 m 2 2 15m2 5m 4 5 2 m− 5 4 − 5 3 m