C111123313121111121111331333133313331323232133313133313113313123123231   >>    C11112331312111112111133133313331333132323213331313331311331312312323   <<    C111123313121111121111331333133313331323232133313133313113313123123233   >>      C111123313121111121111331333133313331323232133313133313113313123123232   >>