C111123313331323113313331333133313331323132333133313331313213223331   >>    C11112331333132311331333133313331333132313233313331333131321322333   <<    C111123313331323113313331333133313331323132333133313331313213223333   >>      C111123313331323113313331333133313331323132333133313331313213223332   >>