C11112331312111112111133133313331333133313331333133313331333131133132332313231   >>    C1111233131211111211113313331333133313331333133313331333133313113313233231323   <<    C11112331312111112111133133313331333133313331333133313331333131133132332313233   >>      C11112331312111112111133133313331333133313331333133313331333131133132332313232   >>