C111123313331323113313331323133313331311331311331333133313111322321   >>    C11112331333132311331333132313331333131133131133133313331311132232   <<    C111123313331323113313331323133313331311331311331333133313111322323   >>      C111123313331323113313331323133313331311331311331333133313111322322   >>