C111113331333132322331333133313331311331323133112111112111112111323321331   >>    C11111333133313232233133313331333131133132313311211111211111211132332133   <<    C111113331333132322331333133313331311331323133112111112111112111323321333   >>      C111113331333132322331333133313331311331323133112111112111112111323321332   >>