C11112331312111112111133133313331333133313331333133313331333132332131211   >>    C1111233131211111211113313331333133313331333133313331333133313233213121   <<    C11112331312111112111133133313331333133313331333133313331333132332131213   >>      C11112331312111112111133133313331333133313331333133313331333132332131212   >>