C11112331312111112111133133313331333133313331333133313223313331323221132311   >>    C1111233131211111211113313331333133313331333133313331322331333132322113231   <<    C11112331312111112111133133313331333133313331333133313223313331323221132313   >>      C11112331312111112111133133313331333133313331333133313223313331323221132312   >>