ABAC ABA
7
ABAC ABCA CBAB CABA CABC ACBA CABA
28
ABAC ABCA CBAB CABA CABC ACBA CABA CBAB CABA CABC ACBA BCAB ACBA BCAC BACA BACB
ABCA BACA BCAC BABC
80
ABAC ABAD ABAC ABAE ABAC ABAD ABAC ABAF ABAC ABAD ABAC ABAE ABAC ABAD ABAC ABAG
ABAC ABAD ABAC ABAE
80
BAB
3
