C111123313121111121111331333133313331333133313331333133313331322331311332121   >>    C11112331312111112111133133313331333133313331333133313331333132233131133212   <<    C111123313121111121111331333133313331333133313331333133313331322331311332123   >>      C111123313121111121111331333133313331333133313331333133313331322331311332122   >>