C11111333133313232233133313331333132313231323121111331311331323222111   >>    C1111133313331323223313331333133313231323132312111133131133132322211   <<    C11111333133313232233133313331333132313231323121111331311331323222113   >>      C11111333133313232233133313331333132313231323121111331311331323222112   >>