C111123313331323113313331323133313331311331311331333133112123331   >>    C11112331333132311331333132313331333131133131133133313311212333   <<    C111123313331323113313331323133313331311331311331333133112123333   >>      C111123313331323113313331323133313331311331311331333133112123332   >>