C111112111133131121133133313331333133313331312111133133313331323323213232331   >>    C11111211113313112113313331333133313331333131211113313331333132332321323233   <<    C111112111133131121133133313331333133313331312111133133313331323323213232333   >>      C111112111133131121133133313331333133313331312111133133313331323323213232332   >>