C111123313121111121111331333133313331333133313331333133313331311332231111   >>    C11112331312111112111133133313331333133313331333133313331333131133223111   <<    C111123313121111121111331333133313331333133313331333133313331311332231113   >>      C111123313121111121111331333133313331333133313331333133313331311332231112   >>