C111123313331323113313331333133313331323133113313331333132313331223322331   >>    C11112331333132311331333133313331333132313311331333133313231333122332233   <<    C111123313331323113313331333133313331323133113313331333132313331223322333   >>      C111123313331323113313331333133313331323133113313331333132313331223322332   >>