C111123313121111121111331333133313331323232133313331333131223311111   >>    C11112331312111112111133133313331333132323213331333133313122331111   <<    C111123313121111121111331333133313331323232133313331333131223311113   >>      C111123313121111121111331333133313331323232133313331333131223311112   >>