C11111333133313232233133313331333132313331311331323133313231322331   >>    C1111133313331323223313331333133313231333131133132313331323132233   <<    C11111333133313232233133313331333132313331311331323133313231322333   >>      C11111333133313232233133313331333132313331311331323133313231322332   >>