C111123313331323113313331333133313331323133113313331333131212131   >>    C11112331333132311331333133313331333132313311331333133313121213   <<    C111123313331323113313331333133313331323133113313331333131212133   >>      C111123313331323113313331333133313331323133113313331333131212132   >>