C111123313331323113313331333133313331323132333131133131133132332311   >>    C11112331333132311331333133313331333132313233313113313113313233231   <<    C111123313331323113313331333133313331323132333131133131133132332313   >>      C111123313331323113313331333133313331323132333131133131133132332312   >>