C111112111133131121133133313331333133313331323133313331333133313123233112231   >>    C11111211113313112113313331333133313331333132313331333133313331312323311223   <<    C111112111133131121133133313331333133313331323133313331333133313123233112233   >>      C111112111133131121133133313331333133313331323133313331333133313123233112232   >>