AA [auth B] BA [auth B] C [auth A] CA [auth B] D [auth A]
AA [auth B], BA [auth B], C [auth A], CA [auth B], D [auth A], DA [auth B], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A], X [auth B], Y [auth B], Z [auth B]