C111112111133131121133133313331333132213331333131133133313223313331121311   >>    C11111211113313112113313331333133313221333133313113313331322331333112131   <<    C111112111133131121133133313331333132213331333131133133313223313331121313   >>      C111112111133131121133133313331333132213331333131133133313223313331121312   >>