M 4 2 4 0 July 8, 2019 16 32 64 128 M 4 3m 2 4 0 M 4 5m 2 4 0 M 4 4m 2 4 0 M 4 4m 3 8m 2 8m 4 0 M 2 4 0 roots M 4 2m 3 3m 2 4m 4 0 M 4 x2 2 m 4 x 4 0 M 4 m 3 9m 2 11m 4 0
