C111112111133131121133133313331311331333131133133313231333133313331333132312231   >>    C11111211113313112113313331333131133133313113313331323133313331333133313231223   <<    C111112111133131121133133313331311331333131133133313231333133313331333132312233   >>      C111112111133131121133133313331311331333131133133313231333133313331333132312232   >>