C11112331312111112111133133313331333133313331333133313331333132332332133121   >>    C1111233131211111211113313331333133313331333133313331333133313233233213312   <<    C11112331312111112111133133313331333133313331333133313331333132332332133123   >>      C11112331312111112111133133313331333133313331333133313331333132332332133122   >>