epochs 10000000 final N 144073582
C fails: 0 []  C0 fails: 0 []
Y_e = 2^bitlen(N_e) at 6 epochs: [(7, 22, 1), (8, 25, 0), (14, 54, 1), (15, 57, 0), (350273, 4193606, 1), (350274, 4193611, 0)]
Y_e >= 2^(m+1) at 3 epochs; min C-margin there (3, 9)
   big (9, 26, 3, 5, 2, 3)
   big (16, 58, 3, 6, 1, 3)
   big (350275, 4193612, 7, 22, 1, 15)