C111123313331323113313331333133313331323123231333133313331331122331221   >>    C11112331333132311331333133313331333132312323133313331333133112233122   <<    C111123313331323113313331333133313331323123231333133313331331122331223   >>      C111123313331323113313331333133313331323123231333133313331331122331222   >>