C111123313331323113313331333133313331323132333133313331333131133132333311   >>    C11112331333132311331333133313331333132313233313331333133313113313233331   <<    C111123313331323113313331333133313331323132333133313331333131133132333313   >>      C111123313331323113313331333133313331323132333133313331333131133132333312   >>