C111123313331323113313331333133313331323123231333132313331311311221   >>    C11112331333132311331333133313331333132312323133313231333131131122   <<    C111123313331323113313331333133313331323123231333132313331311311223   >>      C111123313331323113313331333133313331323123231333132313331311311222   >>