C111123313331323113313331323133313331311331311331323133313233322331   >>    C11112331333132311331333132313331333131133131133132313331323332233   <<    C111123313331323113313331323133313331311331311331323133313233322333   >>      C111123313331323113313331323133313331311331311331323133313233322332   >>