C111123313121111121111331333133313331333133313331333133313331311331121131111   >>    C11112331312111112111133133313331333133313331333133313331333131133112113111   <<    C111123313121111121111331333133313331333133313331333133313331311331121131113   >>      C111123313121111121111331333133313331333133313331333133313331311331121131112   >>