C123211131133132233131323132313233313233313132313133313231322331121   >>    C12321113113313223313132313231323331323331313231313331323132233112   <<    C123211131133132233131323132313233313233313132313133313231322331123   >>      C123211131133132233131323132313233313233313132313133313231322331122   >>