C111112111133131121133133313331311331333131122112323132322132313223313122311   >>    C11111211113313112113313331333131133133313112211232313232213231322331312231   <<    C111112111133131121133133313331311331333131122112323132322132313223313122313   >>      C111112111133131121133133313331311331333131122112323132322132313223313122312   >>