C111123313331323113313331333133313331323133113313331333133313332312321231   >>    C11112331333132311331333133313331333132313311331333133313331333231232123   <<    C111123313331323113313331333133313331323133113313331333133313332312321233   >>      C111123313331323113313331333133313331323133113313331333133313332312321232   >>