C11112331312111112111133133313331333133313123313331322132332331   >>    C1111233131211111211113313331333133313331312331333132213233233   <<    C11112331312111112111133133313331333133313123313331322132332333   >>      C11112331312111112111133133313331333133313123313331322132332332   >>