C111123313331323113313331333133313331323132333133313331312113111   >>    C11112331333132311331333133313331333132313233313331333131211311   <<    C111123313331323113313331333133313331323132333133313331312113113   >>      C111123313331323113313331333133313331323132333133313331312113112   >>