C111123313331323113313331333133313331323123231333132322231323112111   >>    C11112331333132311331333133313331333132312323133313232223132311211   <<    C111123313331323113313331333133313331323123231333132322231323112113   >>      C111123313331323113313331333133313331323123231333132322231323112112   >>