C111112111133131121133133313331311331333133313331322331333132332321   >>    C11111211113313112113313331333131133133313331333132233133313233232   <<    C111112111133131121133133313331311331333133313331322331333132332323   >>      C111112111133131121133133313331311331333133313331322331333132332322   >>