C111123313331323113313331333133313331323132333133313331311122311   >>    C11112331333132311331333133313331333132313233313331333131112231   <<    C111123313331323113313331333133313331323132333133313331311122313   >>      C111123313331323113313331333133313331323132333133313331311122312   >>