C111112111133131121133133313331333133313331323133313331333131133132332111221   >>    C11111211113313112113313331333133313331333132313331333133313113313233211122   <<    C111112111133131121133133313331333133313331323133313331333131133132332111223   >>      C111112111133131121133133313331333133313331323133313331333131133132332111222   >>