C111123313331323113313331333133313331323123231333132332313223311   >>    C11112331333132311331333133313331333132312323133313233231322331   <<    C111123313331323113313331333133313331323123231333132332313223313   >>      C111123313331323113313331333133313331323123231333132332313223312   >>