C111123313121111121111331333133313331333131233133313113313331333113322121   >>    C11112331312111112111133133313331333133313123313331311331333133311332212   <<    C111123313121111121111331333133313331333131233133313113313331333113322123   >>      C111123313121111121111331333133313331333131233133313113313331333113322122   >>