C111123313331323113313331333133313331323133113313331333131331121211   >>    C11112331333132311331333133313331333132313311331333133313133112121   <<    C111123313331323113313331333133313331323133113313331333131331121213   >>      C111123313331323113313331333133313331323133113313331333131331121212   >>