C111123313331323113313331333133313331323123231333133313113321121   >>    C11112331333132311331333133313331333132312323133313331311332112   <<    C111123313331323113313331333133313331323123231333133313113321123   >>      C111123313331323113313331333133313331323123231333133313113321122   >>