C11112331312111112111133133313331333132323133313331333131321133111   >>    C1111233131211111211113313331333133313232313331333133313132113311   <<    C11112331312111112111133133313331333132323133313331333131321133113   >>      C11112331312111112111133133313331333132323133313331333131321133112   >>