C111123313331323113313331333133313331323123231333133313221233132231   >>    C11112331333132311331333133313331333132312323133313331322123313223   <<    C111123313331323113313331333133313331323123231333133313221233132233   >>      C111123313331323113313331333133313331323123231333133313221233132232   >>