C111123313331323113313331333133313331323123231333131133131132331   >>    C11112331333132311331333133313331333132312323133313113313113233   <<    C111123313331323113313331333133313331323123231333131133131132333   >>      C111123313331323113313331333133313331323123231333131133131132332   >>