C11112331312111112111133133313331333132323133313331333133312331123313332121211   >>    C1111233131211111211113313331333133313232313331333133313331233112331333212121   <<    C11112331312111112111133133313331333132323133313331333133312331123313332121213   >>      C11112331312111112111133133313331333132323133313331333133312331123313332121212   >>