C13223313311212111133133313331333132313231323133313113313232223223331   >>    C1322331331121211113313331333133313231323132313331311331323222322333   <<    C13223313311212111133133313331333132313231323133313113313232223223333   >>      C13223313311212111133133313331333132313231323133313113313232223223332   >>