C123211131133132233131323132313233313233313132313133313232311331   >>    C12321113113313223313132313231323331323331313231313331323231133   <<    C123211131133132233131323132313233313233313132313133313232311333   >>      C123211131133132233131323132313233313233313132313133313232311332   >>