C111123313121111121111331333133313331323232133313331333133313113313331312223111   >>    C11112331312111112111133133313331333132323213331333133313331311331333131222311   <<    C111123313121111121111331333133313331323232133313331333133313113313331312223113   >>      C111123313121111121111331333133313331323232133313331333133313113313331312223112   >>