C111123313331323113313331333133313331323132333133313331322233331   >>    C11112331333132311331333133313331333132313233313331333132223333   <<    C111123313331323113313331333133313331323132333133313331322233333   >>      C111123313331323113313331333133313331323132333133313331322233332   >>