C111112111133131121133133313331333132213331333131133133313223313223211111331   >>    C11111211113313112113313331333133313221333133313113313331322331322321111133   <<    C111112111133131121133133313331333132213331333131133133313223313223211111333   >>      C111112111133131121133133313331333132213331333131133133313223313223211111332   >>