C111123313331323113313331323133313331311331311331323331323132323232131121   >>    C11112331333132311331333132313331333131133131133132333132313232323213112   <<    C111123313331323113313331323133313331311331311331323331323132323232131123   >>      C111123313331323113313331323133313331311331311331323331323132323232131122   >>