C111112111133131121133133313331333132213331333131133133313223312111   >>    C11111211113313112113313331333133313221333133313113313331322331211   <<    C111112111133131121133133313331333132213331333131133133313223312113   >>      C111112111133131121133133313331333132213331333131133133313223312112   >>