C111123313331323113313331323133313331311331311331333133112223331   >>    C11112331333132311331333132313331333131133131133133313311222333   <<    C111123313331323113313331323133313331311331311331333133112223333   >>      C111123313331323113313331323133313331311331311331333133112223332   >>