C111123313331323113313331333133313331323112133313331333132213222331   >>    C11112331333132311331333133313331333132311213331333133313221322233   <<    C111123313331323113313331333133313331323112133313331333132213222333   >>      C111123313331323113313331333133313331323112133313331333132213222332   >>