C111123313121111121111331333133313331323232133313331313331311331333132212231   >>    C11112331312111112111133133313331333132323213331333131333131133133313221223   <<    C111123313121111121111331333133313331323232133313331313331311331333132212233   >>      C111123313121111121111331333133313331323232133313331313331311331333132212232   >>