C111123313331323113313331333133313331323123231333133313331333313222311   >>    C11112331333132311331333133313331333132312323133313331333133331322231   <<    C111123313331323113313331333133313331323123231333133313331333313222313   >>      C111123313331323113313331333133313331323123231333133313331333313222312   >>